Tons of good games are being released next year for the GameCube including:
Resident Evil 4
Virtua Quest
Star Fox: Assault
NFL Street 2
Donkey Kong Jungle Beat
Advance Wars: Under Fire
Geist
Fire Emblem
Odama
Killer 7
Dragon Ball Z: Sagas
Fight Night Round 2
NBA Street V3
TimeSplitters: Future Perfect
Tom Clancy's Splinter Cell Chaos Theory
Legend of Zelda
Mario Baseball
Kirby
Mario 128 (possibly?)
Pokemon (possibly?)
Resident Evil 4
Virtua Quest
Star Fox: Assault
NFL Street 2
Donkey Kong Jungle Beat
Advance Wars: Under Fire
Geist
Fire Emblem
Odama
Killer 7
Dragon Ball Z: Sagas
Fight Night Round 2
NBA Street V3
TimeSplitters: Future Perfect
Tom Clancy's Splinter Cell Chaos Theory
Legend of Zelda
Mario Baseball
Kirby
Mario 128 (possibly?)
Pokemon (possibly?)