If I ever have enough money to spare I'll pick up another set of wheels, and some strictly summer tires. Then I'll put some winters on my factory wheels. But for now I just run all-season tires. As long as I'm not plowing snow with my bumper, my car can go in anything I've tried. I did have to turn off the (normally great) traction control when I pulled onto a sheet of ice and couldn't get the car to move again.
Pioneer VSX-1018AH-K, PDP-5020FD, DV-79AVi
Axiom M22s, VP150, QS8s
Sony PS3, surround backs