Cool. I think I'll go that route, just doing small things that improve the OS in small ways. I'm not about to change colors of stuff or fonts or anything like that. I quite like the designers' aesthetic decisions inside the OS.

This thing has *really* been well thought out. Its design is just stunning.

Even uber-design magazine, "domus" thinks so:

http://www.domusweb.it/en/design/portable-cathedrals/