My advice is to keep the rims you have unless you really have the money and need to replace them. I would go with a taller tire which will give you more sidewall and pick a tire that is made for a more comfortable ride than performance. Also if you go with a differnet size tire in height your speedo will be off, since the tire will be spinning slightly slower at any given speed. You could see if a local shop can update your computer to the new tire size.
2010 Sangria Red SES #051 Sedan
Autolite AR 103 Sparkplugs, Ram-Air AIRAID CAI, LED Tails