I really like the mega.
The first half hour was a little bit weird (I had an XC bike before), but since I have a natural feel on it. I had to tighten a few bolts on the frame, but there is no other problems with it.
Very stable on descents, and pedalling uphill is awesome. I compared the data from the cyclemeter app, and I am not slower with the mega. So the goal is achieved, to have a do-it-all bike.

 Great I'm glad you compared data becouse that confirms what I've been telling my mates that for 160mm travel it rides up very very well don't know how the mega does it but it just does . I've had many AM frames and was never happy how they claimed they climbed .the mega has done it with this frame it's just amazing . Enjoy