I'm currently eyeing up
MIB Dirge
MIB Ironhide
MIB Inferno
Boxed Mirage (and I say 'boxed' because its about C6.5 as a figure and C5 for box)
Thoughts? As far as rarity is concerned, I'm a little out of the loop.
Also - reissues or kos are not an option. No gold classic boxes.

Plus - what sites are good for vintage collectors these days, I know the usual two I used to shop at TFsource and BBTS - but are there any more out there?