Well, first of all, as soon as 11.10 rolls out, when you click update in the update manager, it will update to 11.10. Second, there's not a lot the would really need customization....except pinning to the launcher, ect. It also depends on what you are doing. This link is good for just some tips and tricks....Unity takes about a week to get used to, and I'm speaking from experience. It was quite a surprise when I woke up in May to find Unity...Lol.