The one and ONLY reason I would want a Gamecube at the moment:
Metroid Prime. To say I am a fan of the Metroid Saga would be an under-statement. When I was younger, after getting my dirty little mits upon a copy of Metroid, I was known to try more than once to squish into that little ball...
Oh, and get ready for a serious dorkgasm:
Star Fox is no longer flying polygons. ::dorkgasms::
(Yes, I have a thing for anthropomorphic foxes...shut it ;p)