Thanks for the responses everybody. I'll give the shop a call tomorrow and ask about A) replacing the filter and changing the fluid, and B) having the tranny rebuilt.
Aside from that though, if it ends up being more of an investment than I'm able to make, the car is pretty much worthless...
I'm hoping someone can give me some advice as to what I should do. I've got a 97 SHO with about 135k miles on it.
Yesterday I was driving to work when for some reason it wouldnt really go into gear. It was acting like it was stuck in neutral or something. I turned the car off, turned it back...