I saw Terry at SZ tell someone else that the "notchy" feeling was the throw out bearing.
I asked him why mine would pop out of 2nd on occasion, he said it was the synchro's.
Hope this helps ya some,
Mike

I have a dream, and that is a 69 Boss 302 with Jules Asner in it.
Current - 2002 Chevy Silverado
Former - 98 SVT E0 T-Red 4/4/97 #173 of 6535(so long girl, you'll be missed)