I bought this deal a couple of months back and got around to installing it about three weeks ago. I was replacing a 20-year old chain drive opener. The fact that I was replacing an existing opener was a big help; I was able to use some of the existing door attach hardware, as well as some of the hardware for mounting the motor and belt track, which saved me some time and effort. Even though I'd never installed one of these before, I think the whole job, including removing the old chain-drive opener, took less than two hours.
I'm quite pleased so far; the Genie unit is very quiet and operates smoothly. The included outdoor keypad opener is nice, especially in my case, since the existing keypad opener I had isn't compatible with Genie's rolling code system.
I don't regret my purchase at all.
By the way, at the same time I installed the new opener, I replaced all the metal rollers on my garage door with new nylon rollers, which are much quieter. I recommend that to anyone that is trying to make the door operate as quietly as possible.