I`d say buy a Wii, but before that make some research on games. There are a lot of unique games that do not get enough praise. Try renting Trauma Center NB, Super Paper Mario, Zelda TP, Metroid Prime 3, Zack & Wiki, RE UC. In the end it is all about your tastes.
Satan said:
"You are for ever angry, all you care about is intelligence, but I repeat again that I would give away all this superstellar life, all the ranks and honours, simply to be transformed into the soul of a merchant's wife weighing eighteen stone and set candles at God's shrine."