Falken Azenis in 205/50/15 for $73 a peice at vulcan tire. I was quoted $85 at discount tire just to mount and balance these. With the higher cost and low tread wear rating considered, I opted for BF Goodrich G Force instead. I couldn't be happier! They grip much better than the OEM XGT4's.

http://www.vulcantire.com/azenis_rt615_t.htm