I would say that may be your course of action. Maybe pick up a tranny from either a new subaru or something (legacy???). If you go to the Mod Mania forum, there will be threads about tranny swaps and the like.
Disintegrated doesn't sound too good. I'll have to check out the thread on Q&A...
It's good to see people are still looking at the forum from time to time, even when it's quiet...
Paulie