Hi iam thninking of getting a ps3 in april and i seen some in best buy and the 60gb is $699 canadian and the 20GB is 599 what one would be better? and do they both ahve built in wifi? or is it better to get a xbox 360 for a cheaper console? and what will be a better consle int eh longrun? and what are the benifits of ps3 over xbox360? in your opinins?