Current specs HP Pavilion m7560n NVIDIA GeForce 6150 LE (mobo) AMD Athlon 64 X2 4400+ / 2.2 GHz 4 gb ddr2 sdram pc2-4200 Thermaltake TR2-450w psu ATI Radeon HD 4350 1gb ddr2 600mhz Microsoft Windows XP Media Center Edition 2005 Seagate 320 gb hd Keep in mind, the operating system came with the computer. I don't have an install cd. All I have is 3 recovery disks and I'm not betting they'll work with a new mb. My goal is to reuse all hardware if possible. Links in next post.