Ah, yes,alot of people will think that the alienware computers are cool, but not me. Their to unpersonal, you should go with something like i have, assuming you had the time. They are a little pricy, but their so cool looking. http://www.northwardgraphics.com
I gots me one from northward graphics, and i'm very happy with it. http://www.angelfire.com/rnb/skullbro/MVC-229S.JPG http://www.angelfire.com/rnb/skullbro/MVC-230S.JPG http://www.angelfire.com/rnb/skullbro/MVC-260F.JPG
So i say go with somethign a little more customizded rather then a alienware one. Then just buy the parts on your own, you'll be much happier with it in the long run because it will be your own creation.
By the way does anybody know where i can obtain an old fashing electric chair switch, you know the really big ones that look something like a big y