Here's a vote for SoundChaser. I bought my DAW there, and for me it has been worth every dime. Yes, it is expensive. Yes, you could assemble such a machine yourself from raw parts, and save a bundle. Yes, if your hobby is assembling Windows machines from raw parts, and you know the process like the back of your hand, you _should_ do it yourself.
Or have Tubedude do it for you. But if you don't live, sleep, and breathe Windows machines, have _somebody_ do it for you. If hacking Windows isn't a native talent for you, think twice about trying it yourself. The folks here who claim that the process is easy have an unfair advantage: *experience* in dealing with the vagaries of Windows! It can be done, but it ain't pleasant for the average Joe who doesn't have that experience.
Speaking strictly for myself: I work with Unix computers all day every day in my real profession, and the last damned thing I wanted to do was screw around with a Windows box for weeks before I could use it as anything but a paperweight. The time and frustration I saved (over doing it myself) more than accounted for the extra bucks I paid SoundChaser to have a machine show up preinstalled, preconfigured, pretested, debugged, and optimized for audio: I was using Cubase on it the day it arrived. While I've learned much of what I need to know since buying that box, and believe that I _could_ probably pull it oiff myself in a reasonable amount of time _now_, there would have been no freakin' way when I first started out- and I'm a long way away from being computer-illiterate.
Tubedude's offer sounds like a good one, and is a lot cheaper than going with SoundChaser. If that offer had been on the table when I bought mine, I'd probably have gone with him instead. Hope that helps...