Your HP slimline unit. Does yours have similar specifications:

2.8GHz AMD Athlon X2 5400 processor (1MB L2 Cache)
NVIDIA GeForce 6150SE graphics with TurboCache(integrated)
4GB PC2-6400 DDR2 RAM
500GB 7200RPM SATA hard drive
Super-Multi CD/DVD recorder with Lightscribe capabilities
802.11b/g wireless LAN access
10/100BaseT network interface
15-in-1 card reader
56k PCI Data/Fax modem
High Definition 6-channel audio
160W power supply
13.39"(L) x 4.21"(W) x 10.87"(H/D)
Weight: 19.05 lbs
One year parts and labor warranty, 90-day phone software support

In this configuration, the HP Pavilion Slimeline s384500f costs $579.99.