Although I may be biased as a former CPer, I do have seem to have had some bad experiences with AC and have complained about them. So I think that it's only appropriate to acknowledge a positive experience. I went to Arizona with my wife and daughter last week on a long-planned trip on L tickets. As I mentioned elswhere, I had no difficulty in upgrading all of us at YXU on CP stickers. That was pleasant but not out of the ordinary. On the return I was only able to upgrade one of us, and my wife sat up front. We were returning on Sunday, following the freezing rain and high winds in Toronto, and the inbound flight was late. PHX was a zoo, with the most crowded RCC lounge I have ever been in. When we pushed back from the ramp about an hour or so late, we got about 10 metres and stopped. The Captain came on and reported that the right engine wouldn't start and we had to go back to the ramp. For the next hour and a half or so while they were trying to fix it, we gotquite detailed updates and apologies from the flight deck every few minutes, and when we finally under way, the crew were extremely solicitous, gave complimentary bar service in Y, and were generally very helpful. Most of my previous experiences like this with AC have been stony silence from the flight deck and a crabby flight crew whose shift just got a little bit longer. I hope that this is a sign of things to come.