Alienware, maybee. In the Eastern US. Don't know if they're anywhere else. Or build your own. Tom's hardware has a good tut. Many more out there. Mostly get a good board. That's the first thing. Homework and research is required. Visit tech forums ask around. Make a plan then if you can't build it, go to a custom place and say this is what I want. If they don't know the products you mention, then run to the next place. Luck, Q

Un coup de dés jamais n'abolira le hazard
S Mallarmé