RDP for Mac Beta 3 now out
http://feeds.feedburner.com/~r/MicrosoftDownloadCenter/~3/267995267/details.aspx
Remote Desktop Connection Client for Mac 2 lets you connect from your Macintosh computer to a Windows-based computer and then work with applications and files on the Windows-based computer.
Connect Across Platforms with Remote Desktop Connection | Mactopia:
http://www.microsoft.com/mac/products/remote-desktop/default.mspx
Read the complete post at http://msmvps.com/blogs/bradley/archive/2008/04/10/rdp-for-mac-beta-3-now-out.aspx