I have the feeling that ubuntu is trying to hard to look like Windows (for new users) but in the same time doesn't want to copy the UI. I think there is a decision to be made: Copy or not copy. If they really want to get new users from the Windows world, I think they should simply include a Windows theme with the same icons, the same X_[], etc.

Anyway, advanced users doesn't really use ubuntu.. and for some that use it, it's really a modified version.

Last thing, I find also that if their goals is to attract new users, they should stop with the mentality of over-configuring everything, every icons, every possible smallest thing you can think changing and instead, provide a clean and simple interface. Configuration files and script already exist for those special configuration, no need to pollute every window configuration with that.

That's my 0.02$ from someone who's been using Linux for 10 years. (I use arch, btw)