Great news. Longhorn Server Beta 3 has gone public. This is really great news for everyone who wants to TRY NAP NOW!
Here is the ISO download location:http://www.microsoft.com/technet/prodtechnol/beta/lhs/default.mspx
I will be posting information about our updated NAP step-by-step guides as soon as possible. We will also be refreshing the XP NAP client soon. Keep your eyes peeled and please enjoy Beta 3.
Jeff SigmanNAP Release Manager