X220 here. I had some problems with the trackpad in 11.10 (I use the nub, mostly). 12.04 has been nothing but rock solid the entire way. Everything including

X220 here. I had some problems with the trackpad in 11.10 (I use the nub, mostly). 12.04 has been nothing but rock solid the entire way. Everything including the above that you said is a problem. Sorry that I can't commiserate, but basically, the X220 + 12.04 are the near perfect setup I've wished for quite some time* *only thing I would like is a higher resolution screen on the X220.