This deal has ended.
Tiger Direct has the Lenovo 3000 K100 Desktop PC, now on sale for $579.99 after a $120 instant discount and this $100 mail-in rebate (expiring 7/31). This powerful PC features a 2.2GHz Intel Core 2 Duo processor, 3GB memory, 500GB hard drive, CD / DVD burner, TV tuner, and comes loaded with Windows Vista Home Premium. Monitor is sold separately (check out recent BradsDeals listings for monitors). Shipping adds $18.24 and there's no sales tax (except IL, FL, NC).