Last year was my first Gencon and after a whirlwind 4 days I was able to recuperate and think of things for this year -
Do True Dungeon, Go to the Artists section, Do some Cthulhu games, Try some White Wolf Games, See the Costume Contest. I managed to do all but the Costume Contest, but did see the Parade so I'm pretty satisfied with it.
Next year, my goals are pretty minimal - try WEGS and something like Blackmoor or 7th Sea. True Dungeon is not a Must Do since I'm not entrenched in stuff, but if I do it I wanna bring my violin to play in the dungeon - nothing like a bard with a real instrument. 