What is your favorite figure within each size class?

Any size class you own, any figure you have. Throw in your close seconds, because I know it's hard to choose, at least for me.
Scout - Breacher (movie). Great little figure. Cool head. Tight alt mode. Knuckle dusters are awesome. Close second would be Sunspot from the same line. The spring loaded chicken legs, unofficial gerwalk mode and super solid alt mode all made a great little army builder.
Deluxe - This is a hard one, but I gotta go with Generations Warpath. He's just like the greatest representation of an old character at that size level ever. I just wanna scream onomatopoeia and obscenities at the top of my lungs when I fiddle with that toy. I still have the G1 mini fig from when I was a kid, so that makes him near and dear to my heart. Close second to Generations Wheeljack. Such a great modernization of a classic character
Voyager - Sea Spray (movie) - Sure he's technically a movie toy, but once again it's an updated version of a G1 toy toy I still have from when I was a kid. He's so damned cool. I love the diver style head, the giant fans on the shoulders and the flippered reverse joint legs. His alt mode is really nice to look at. Close second would be Classics Optimus Prime. His smoke stack gun is awesome and the wind vane gun is very flexible as far as how OP can deploy it. He's probably the last great flat nosed truck OP toy that isn't a repaint/remold or reissue. Too bad he doesn't have a trailer (although I'm sure one is available from Japan).
Leader/Ultra - TrU Exclusive Countdown. This guy is just fun. I love the missile. It can be an ICBM, a massive shoulder cannon or an orbital laser (at least I like to think it can be an orbital laser, I don't think it's mentioned anywhere in his bio). The shield and tool attachments are really fun and he's surprisingly poseable for such a bulky figure. Close second goes to Animated Ultra Magnus. This guy is so loaded down with guns, and they all deploy in both modes! Plus...GIANT SPRING-LOADED HAMMER! The clencher that put him over DotM Sentinel Prime (who's vehicle mode I adore, it's so neat looking) is that his vehicle mode is indistinguishable from regular style figures when it's sitting on the shelf (he looks great next to Countdown since they're alt modes are so similar). Also, he's raises an eyebrow and looks at you disapprovingly when he talks. Apparently he doesn't have time for you right now.
Masterpiece - TrU King Grimlock. And once again an updated version of a G1 toy I still own. This guy is just so crazy cartoon accurate. I mean, my god, appart from the surprisingly more-simeple-than-it-looks leg transformation, this guy transforms almost exactly like his G1 counterpart. He's the centerpiece of my modest collection. Close second goes to my only other MP figure Rodimus Prime/Hot Rod. He's neat looking in both modes and I love the face changing feature, but he's a pain in the ass to transform and really hard to get everything to peg in right.
Scout - Breacher (movie). Great little figure. Cool head. Tight alt mode. Knuckle dusters are awesome. Close second would be Sunspot from the same line. The spring loaded chicken legs, unofficial gerwalk mode and super solid alt mode all made a great little army builder.
Deluxe - This is a hard one, but I gotta go with Generations Warpath. He's just like the greatest representation of an old character at that size level ever. I just wanna scream onomatopoeia and obscenities at the top of my lungs when I fiddle with that toy. I still have the G1 mini fig from when I was a kid, so that makes him near and dear to my heart. Close second to Generations Wheeljack. Such a great modernization of a classic character
Voyager - Sea Spray (movie) - Sure he's technically a movie toy, but once again it's an updated version of a G1 toy toy I still have from when I was a kid. He's so damned cool. I love the diver style head, the giant fans on the shoulders and the flippered reverse joint legs. His alt mode is really nice to look at. Close second would be Classics Optimus Prime. His smoke stack gun is awesome and the wind vane gun is very flexible as far as how OP can deploy it. He's probably the last great flat nosed truck OP toy that isn't a repaint/remold or reissue. Too bad he doesn't have a trailer (although I'm sure one is available from Japan).
Leader/Ultra - TrU Exclusive Countdown. This guy is just fun. I love the missile. It can be an ICBM, a massive shoulder cannon or an orbital laser (at least I like to think it can be an orbital laser, I don't think it's mentioned anywhere in his bio). The shield and tool attachments are really fun and he's surprisingly poseable for such a bulky figure. Close second goes to Animated Ultra Magnus. This guy is so loaded down with guns, and they all deploy in both modes! Plus...GIANT SPRING-LOADED HAMMER! The clencher that put him over DotM Sentinel Prime (who's vehicle mode I adore, it's so neat looking) is that his vehicle mode is indistinguishable from regular style figures when it's sitting on the shelf (he looks great next to Countdown since they're alt modes are so similar). Also, he's raises an eyebrow and looks at you disapprovingly when he talks. Apparently he doesn't have time for you right now.
Masterpiece - TrU King Grimlock. And once again an updated version of a G1 toy I still own. This guy is just so crazy cartoon accurate. I mean, my god, appart from the surprisingly more-simeple-than-it-looks leg transformation, this guy transforms almost exactly like his G1 counterpart. He's the centerpiece of my modest collection. Close second goes to my only other MP figure Rodimus Prime/Hot Rod. He's neat looking in both modes and I love the face changing feature, but he's a pain in the ass to transform and really hard to get everything to peg in right.