If you are comfortable with refurbished products, here is a good deal for Studio 540 Mini Tower Desktops. Refurbish Studio 540 Mini Tower Desktops for $439.99 shipped with code P94GL1MRWGVZBM.
Example of $439.99 system specs:
- Intel Core 2 Quad processor Q8200 (4MB L2, 2.33GHz, 1333FSB)
- Genuine Windows Vista Home Premium 64-bit
- 6 GB DDR2 SDRAM 800MHz (4 DIMMs)
- 750 GB SATA Hard Drive (7200RPM)
- 256MB ATI Radeon HD 3450 supporting HDMI
- 56Kbps Data/Fax Modem
- 16X DVD +/- RW w/dbl layer write capability
- Optical two button mouse
- Multimedia Keyboard