Get yourself a set of snow tires. It's the best thing you can do to prep for the winter.
Try watching Craiglist for rims and used tires. You can get a good setup put together for $200 if you wait the right deals come along.
Hatch Nation #13 : Rally Revolution #13 : ROTM Jan '13
It's Bryan, not Brian
RSVT-170 Build in Progress
Derusting Rusty Build in Progress