I own:
Castlevania Dracula X SNES us/ntsc
Castlevania Bloodlines Genesis us/ntsc (0.5 version)
Castlevania Bloodlines Genesis us/ntsc (different version but does not boot)
I know someone overhere has the pal snes Castlevania Vampire's Kiss proto and I have seen a Ps2 Lament of Innocent proto on Ebay.
Are there any more around? Like Gameboy and Nes versions?