Reading the comments here and in the previous Woot, I kind of get the impression that pretty much everybody has had a bad experience with an opener. Half of the comments are "Buy This, not That". The other half are "I'm a professional, and you should install what we install. Everything else sucks."
Well, look, I've had experiences with at least four openers. Two of them have failed. I don't honestly think their brand matters. Garage door openers fail. Garage DOORS fail. It happens.
But you can minimize the problems if you treat your opener right. The opener track should be straight. The door should be properly adjusted and lubricated. The tracks and springs should be in good shape. If you have a tough time opening your door, then your opener is going to have a tough time, too.
If you want your opener to fail less, have an opener professionally installed, your door professionally maintained, and do some regular maintenance on it. It'll cost more, but it should last longer.
All that said, I think I'm going to pick one of these up and install it myself. At this price, I can put off calling a pro for another year or two.