I will admit I'm very anti Vista. Sorry to all the folks that like I just don't, I'm just a stubborn JA.
You will have to upgrade to a new printer to make it work correctly IMHO (or that's the easiest way to do this) and some programs you might use won't work yet with Vista. You'd spend too much in options and headaches and such trying to make the old printer work and it probably won't work no matter what you do in my low tech knowledge base.
I also agree not to use Norton, it blocks and caused more problems then it was worth on XP even. I like another brand for my situation that has held up pretty good (trend micro). But there are others out there that are good too.
I posted a thread yesterday
http://www.flyertalk.com/forum/showthread.php?t=670522 and there was a good link in there (posted by others) that can help you get it act a little less bloated. I never wanted Vista, I was forced to use it. But there are alot of good FT's out there with the knowledge and willingness to help.
Good Luck, I'm in the same boat as you are.