^ true. and if you are going to get 20's, make sure you get a 45 series tire. the 55 series will cause you problems by rubbing on the strut plates. you can also do 22's with just a little fender rolling and a rubber band for a tire.
EDIT: i dont care what anyone tells you, 5x114.3 is NOT the correct bolt pattern to put on your car. will it fit? yes. could you be driving down the road and your wheels fall off when using said size wheel? you bet. 5x115 and 5x114.3 are made as two different bolt patterns for a reason.