Ok, after playing around for a while, I have found a few "problems." Hopefully this will help some people.

Kernel Version: 2.6.28-rc7-omap1
Build number: nit-eng 1.0 TC3 eng.solca.20081208.021935 test-keys

The time does not work, it just stays stuck at what it was at boot.
Crashes after about 5 minutes, no matter what.
Calculator and Notepad don't work, while pictures, music, API demo, settings, browser, contacts, dialer do work. Not sure about the other apps.