I also am sick of winter, though it hasn't been that bad here (Calgary). Only two really cold snaps and I think about three big snow falls. But... I want to ride my road bike. I want to go out far and forever where you mainly just worry about food and water!
Actually two funny things that I noticed. 1) The road biking forum got really really grumpy about November, I had to stop reading it. 2) I had this picture of Lance Armstrong on my wall that I got as a Christmas gift, and when I took it down and replaced it with a MTB calendar, my overall mental health noticably improved.
So the secret to not hating winter is not to focus on what/where/how you can't ride, but where you can!
I'm still really sick of winter! Two more months... I can make it...