There was a relatively major issue with the Acura Automatics not too long ago. 2002 TL's? Not entirely sure. Wasn't that the same transmission in the Accord ATX's? Something about the 3rd gear not getting any lubrication. They either replaced the transmission with a newer model, or retrofitted a fluid sprayer into the existing one.
Honda makes some excellent MTX's though...if you've never learned, check out the honda ones...silky smooth I hear.
And ya, dedicated forums always post problems, rarely do they post compliments on a vehicle. Those type of posts are usually discouraged, as it clutters the forums and prevents effective troubleshooting. Its "assumed" that if your a member of the forum you absolutely love your car.
Thus there will always be a very heavy bias towards problems on dedicated forums, especially if its a single car model specific.