I've only just had a netbook the past week or two, and first thing I did was put Ubuntu on it. I fell in love with Unity and found myself wishing my desktop was so nice. So when I logged into it yesterday (for the first time in months) and found the new version of Ubuntu available and using Unity, I jumped at the chance to install it. I don't like the mac-like menu bar at the top, and will probably change that in the future (it works well for a netbook where screen real estate is at a minimum).

I've not had any problems with Unity since the install (well, at first it didn't run, but that's because I have a stupid system that I've tweaked over the years and never works perfectly).

At least you've always got the option of classic (or Unity 2D) if you aren't happy with Unity...