azrm2k on 06 July 2008
It all comes down to games. Read up on games already released and see if you can play them a bit at stores/friends to get a handle of them to see if you like them. Then i'd say make your decision after E3 once more game announcements are made.
The correct answer however would be, no don't trade your PS3 for a Wii. Just save up and buy one so you have both. 
