More NES, huh.
StarTropics is an excellent action/RPG, apparently not too widely known. But unless they change a certain part of the game, it probably won't be released for the V-Con.
Blaster Master and Captain Skyhawk are two of my faves with cult followings.
Battletoads, Little Nemo, Marble Madness, King's Quest 5, Maniac Mansion, Code Name Viper, Rygar, Bart vs. Space Mutants, and TMNT 3 all kick sizable portions of ass.
Some of my favourite unknown gems are Fantasy Zone, (T&C 2) Thrilla's Surfari, Adventures in the Magic Kingdom, Little Ninja Brothers, and Laser Invasion.
I hope they re-release City Connection just for shits and giggles. Or Total Recall, that was so bad it's funny. Or even Bible Adventures just so this generation can throw Baby Moses in a river, but that would mean they'd have to license those idiots from Wisdom Tree.
It'll probably be impossible, but I'd love to see some homebrew support on the V-Con, so we can play games like Elite, Kart Fighter, Solar Wars, and Grand Theftendo.