what games should i buy.. i got a 5000pt card as a gift.

Super Mario RPG
Paper Mario
Smash 64
Mario Kart 64
Both Zeldas
Mario 64
Bomberman (WiiWare)
Pokemon Rumble (wiiWare)
And any other classic N64/SNES game you like.

Buy Pokemon Snap! its a classic game when i was a kid. lol

if you dont have them on the 64
super smash brothers
Ocarina of time
Majora's mask
Mario Kart
Paper Mario
DiddyKong Racing?(do they have this?)

snes/nes
any mario games pretty much

sega
any sonic games(2 is the best but they are all decent (aside from spinball, kinda a waste imo))

All the zelda games..

i say sonic 3 and Knuckles is the best. cuz its combined.. you know

genesis:
Shining Force 2

neo geo:
metal slug / metal slug 2

NES:
StarTropics

WiiWare:
Megaman 9 / Megaman 10

N64:
Zelda Majora's Mask

SNES:
Secret of Mana
Zombies ate my Neighbors
Super Castlevania IV
and all 3 of the Donkey Kong Country games..