[BUILD HELP] I have a question.

If I were to build a pc, could make something better then this for around the same price? (Or at least under $650, monitor not included.) http://www.amazon.com/HP-p7-1220-Pavilion-Desktop/dp/B006VFRZRY/ref=sr_1_3?s=electronics&ie=UTF8&qid=1337196178&sr=1-3