Anyway, the computers are here: http://tinyurl.com/6cfu5u http://tinyurl.com/47dglc http://tinyurl.com/3mglbx
Thanks to anyone who has an opinion, and other $550-650ish recommendations are appreciated, too!
Bearing in mind that I don't know too much about the particular components, the quality of products provided by each of those companies, or exactly what you're looking for, my instinct would be to get the Sony.