To me SNES was very unique age of video games. It is kept alive by roms and virtual ware but both have their downsides in bugs and accessibility. If you could make a perfect port of a SNES game to PC which would you pick?
If I had the choice myself I would be picking either Soulblazer or Illusion of Gaia.

And why not Terranigma? ;p

Shadowrun

Super Metroid

Secret of Mana. As it was supposed to have been for the SNES CD.

Oh, and Bahamut Lagoon, even though I hate strategic slogs like Fire Emblem, I just don't want any of the good Square/Enix/Quintet lost to time.

Castlevania 4, and a lot of other stuff

Axelay, F-Zero, PilotWings the list is almost limitless...

All of the J-RPG's....because you hardly could find a bad one.

Zelda and EarthBound.

Beautiful game, absolutely love it, still have the snes cartridge.

Ogre Battle Stuff.
Senken densetsu titles.
Super Bomberman 2

Smetroid.
(yeah, I'm to cool to write "super")

Super Metroid
Super Castlevania 4
Seiken Densetsu 1-3
EarthBound
Boogerman: A Pick & Flick Adventure
Shadowrun (though I'd rather the Genesis one)
Legend of Zelda: A Link to the Past
Clock Tower (yes I know it was ported to PSX but the SNES is still my choice)
Mega Man X series
ActRaiser
Chrono Trigger
Clayfighter series
Shin Megami Tensei I and II
Slayers
Dragon View

and probably a slew more I am not thinking of.

When you say perfect port, do you mean exactly the same as the original version? Because I don't see much of an advantage over emulation there.

Still, I love me some Super Metroid.

1 is a gameboy game, but 2 and 3 are good choices.

Oh yeah, I forgot about that...woops.