Sounds like you killed some syncros and possibly a couple gears, if it's a recent thing, than more than likely, you can take most of the credit for it, though I'm sure, with a stage three clutch, he probably rounded off some teeth on some gears.

I recently had to open my tranny, and after adding all the parts, and that labor to get it reassembled, it was only like 300 bucks to just get a whole new tranny. From what it sounds like, you're gonna be pretty much in the same boat. A new tranny is like 2300, but if you can get acura to warranty it, you're straight. If one dealer won't warranty it, then take it to another, your on;y problem is that rediculous clutch you have on there. Well, any way, good luck with it, keep us posted, if you need some help.

Later,
Aj