Fenders

Kool Stop brand Salmon colored brake pads

Quality lights front and rear

Studded tires

Layer for clothing. Rain pants are essential as you will get splashed with a lot of slush. Check out the second hand shops for waterproof pants and an uninsulated jacket with pitzips.

All check out the winter cycling section; there are a lot of tips and also a big thread on cheap (Target and the like) sources of clothing.

P.S. Good luck with the stench of Gary!