on the stock 15's im running Falken Ziex 912's. I've been running falkens on pretty much all my cars. From my 08 Impreza, to my 08 Altima, 03 Corolla. I'm running 205/50R15 right now on stock steelies.
The tires have always had great dry and wet traction for me. It doesn't rain in Socal...