Hello all, I'm planning to get my transmission rebuilt. As per my previous posts, I'm getting nasty jumps when I put the car into reverse and an occasional clunking when coming from R to P. One time I had three consecutive "jumps" when changing from Drive to Reverse once. It's also taking a while to shift between gears 1 - 3 and is not shifting into 4th and 5th gear. A local transmission shop want $800 to do it. What should I ask them before going dishing out the money? Is this a good deal?