Compaq Presario CQ57-319QM for $198 – Walmart's 2011 Black Friday Laptop Door-Buster – Laptoping
HP Compaq Presario CQ57-339WM Refurbished Notebook PC - Intel Celeron B800 1.5GHz, 2GB DDR3, 320GB HDD, DVDRW, 15.6 Display, Windows 7 Home Premium 64-bit, Black (QE264UAR#ABA) at TigerDirect.com
HP Compaq Presario CQ57 - AMD E-300 / 1.30 GHz - 4 GB RAM - 120 GB HD
RAM Specifications for any Compaq Presario 6000 - Software | RDTK.net