It's getting to the point where I should just rename "April" and "October" on my calandar "Ubuntu!" because that's what it just boils down to. If you have any interest in the state of open source software then you'll know that Ubuntu tends to be the benchmark; the high standard that other releases are measured against (whether it's suitable or not).
However I always expect the next Ubuntu release to disappoint me in some way. Not because I've ever been disappointed by one before; quite the opposite. Ubuntu always brings something new to the table and raises the bar, I just figure one day they'll have to do something wrong, won't they?