Microsoft announced the availability of Longhorn Beta 3 last night. Check out the Windows Server blog to get more information on what's new in Beta 3 and all the excitement around this significant milestone! You can download it from our web site today!
p.s. Powershell is now finally in the box (metaphorically speaking of course). Being a command line nut, I just love the capabilities of Powershell. If you haven't had time to play with it yet – it's really worth of an hour or so on a Friday afternoon, it'll get you hooked!!