I think that changing your wheels can be a great way to enhance the looks of the car, stand out from the crowd and make it your own.

I don't thank that less than 3/5 th's of a MPH @ 60MPH is going to cause any problems or stress. If done properly, a 'plus' one sizing shouldn't pose any rubbing problems either.

By reducing your sidewall size (ratio), it will typically become stiffer. Along with a wider contact patch, I'm betting that you will notice a difference in handling, cornering and general ride. It will ride stiffer, and you'll feel the bumps a little more, but you will notice a difference in highway or city driving.

I did it mainly for looks though, if you were thinking of doing it performance wise, get some springs or sway bars.

www.tirerack.com
www.tires.com

Both sites have a simulator of what their wheels will look like on your car. Check it out, it makes the process a little easier.

-Ananda
17" Comets 215/45 17 Yoko Guardex winters at the moment