The default appearance of OS 4 is only 80 % done but we hope to finish it in the course of the Tour.
The idea behind the design was to have something that both looks modern and instantly recognisable as Amiga.
There are doubtlessly going to people who think it looks too conservative or not fancy enough but at the same time we don't want to alienate the userbase with something to fanciful.
Focus on the functionality however and remember that we introduced a high degree of "skinnability".