might as well buy <img src="/ubbthreads/images/graemlins/beyond.gif" alt="" /> & put it on your living room shelf for show only. <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" />
it's best to learn how to assemble your own rig. it's cheaper in the short & long runs as in short, u save quite a bit by not paying installation fees & in the long, u maintain & troubleshoot without paying anybody to do so.
try
Tom's Hardware as they have quite a lot of tutorials on assembling your own rig. heck, even videos i think.