VMware Player just got upgraded to version 2.5.

This release introduces Unity View (integrating guest applications with the host), an installer bundle for Linux hosts providing a graphical UI wizard, and accelerated 3D graphics (DirectX 9 accelerated graphics with shaders up through Shader Model 2.0) on Windows XP guests. Operating system support was expanded. Several other enhancements and performance improvements were made.

Go to the VMware Player page to download the latest version.

If you prefer to play around with pre-configured virtual machines, you can get as many as you want from the VMware Virtual Appliance Marketplace.