Dropbox OS /concept/

Hey everyone! I thought, what if Dropbox had it's own OS with basic apps and features? Here is a concept that I had a lot of fun creating :-) Why not? Google released it's Chrome OS..

Colorful icons by @Michael Dolejš

.PSD is attached in case you want to have fun with this concept too. Only please don't forget to rebound.

Looking forward to your comments and likes! Thanks!