I'm about to get a baby blue 93' AT camry for next to nothing...its got 170k miles on it, and leaks oil bad..

It takes about a quart a week, and I'm assuming its coming from the cam seal, not sure though. If I have to go through all the work of pulling the tranny, I'd rather put a more reliable MT back in it. There are a ton of MTs available in local junkyards, but what I'm worried about is the computer. Would I need the computer out of an MT Camry? Or would it run ok with AT computer?

Also what kind of cruising RPMs am I looking at in 5th gear at 70 mph?

Thanks