For anyone that needs it, there is a fix at xda-developers that fixes the Force Close on incoming call. Its in this thread:
http://forum.xda-developers.com/showthread.php?t=705074
I take no credit, i was reading and found it. Be sure to give thanks to the Dev.
I haven't flashed yet either, but it looks like you just flash over fresh toast 2.1 or any fresh based rom...