I'll start with my workplace collection of Legends figures. Forgive the poor lighting; I took these with my iPhone.
Jazz, Trailbreaker, Optimus Prime, Hound, Prowl, Bumblebee, Smokescreen
Red Alert, Leo Prime (Not pictured)
Soundwave, Starscream, Megatron (G1), Onslaught, Megatron (G2)
I started this with the release of Jazz and Hound in Universe 2.0, and built it from there. I had a few other figures like Spychangers Prowl and Classics Legends Prime, but those were happily discarded for the newer molds. I'll be happy to ditch Red Alert, Onslaught and Soundwave as well, someday.
Other Legends class figures like Brawn, Beachcomber and Cosmos, sit with the Classics collection at home. Warpath might make the transition to my desk after the Deluxe version is released.
I'm still bitter that I don't have Hot Rod. I repurposed his ROTF redeco as G1 Smokescreen. Also repurposed is Cybertron Soundwave as G1 Soundwave.
Hey, Hasbro! I need more G1 Decepticon Legends!
Side note: I just figured out the proper way to transform Onslaught while setting him up for this photo. This has made the figure about 1000X better. He's still the weakest figure of the group, though.