Same machine brand new at lenovo is $549 with 8GB RAM and 1TB HD. But there is tax there too.
Great rebate Companies:
Patriot Memory (4myrebate.com): 6 Weeks
Tiger Direct (4myrebate): 3 weeks
Rain-X (in house): 3 weeks
BAD BAD MAIL IN REBATE COMPANIES:
Biostar USA (motherboards) - 21 weeks
Xigmatek 26 weeks, 14 emails, 2 phone calls (finally received)
NZXT 21 weeks, 4 phone calls.