Anyone know of any good Orcas Jan 2007 CTP walk-throughs?

So I downloaded both the Orcas Jan 2007 CTP VPC Image and the installable bits. I hooked up the VPC with Virtual PC 2007 Beta running on my Vista Laptop, and installed the installable bits into a VMWare instance of Vista Business xt64. Both went surprisingly well. So now, I'm sitting here with two empty dev boxes . There are absolutely no Orcas-related labs or anything in the bits. Now what? If anyone knows of any hands-on labs (even for an earlier CTP), or other learning material, I would be very grateful for some links.

Update: I just installed the Orcas Mar 2007 CTP VPC Image on a Seagate 100MB 7200 RPM external USB hard drive (it runs surprisingly well), and the same appeal applies! 

Bob Baker