94 Mustang Build-up

Where Im at now, I need to buy a new trans, at 2-3K, so either way Im going to have to source a trans. I will need the harness and PCM, which Im not sure what the cost is, but I cant imagine it being TOO ridiculous. Im at a point where I really wanna do something different, the 331 is a great motor, but its been in(and out lol) of the car for over 5yrs, just time for somethin new!