BumpTop (Available in both Free and Pro versions($29)) is a intuitive 3D desktop, like a real desk including a set of 3D walls.
A 32-bit and 64-bit versions of Windows XP, Windows Vista or Windows 7, with latest service packs
A Pentium 4/Celeron 1.8GHz or Athlon XP/Sempron 2200+ or desktop/mobile equivalent
Minimum 1GB system memory
15 MB available hard disk space.
Intel 915 integrated graphics or Nvidia GeForce 6200 or ATI X300 or better with updated drivers
OpenGL 2.0 driver support required (may require additional drivers available at bumptop.com/drivers)
Internet connection required for activation