Using it since the release for swiss residents and everything is fine. The interface is slight with lot of customization available. The storage quota is huge and we can use several apps to connect our email or synchronize files stored on the drive. Defenitely a realy good alternative to other providers

Looks nice too!

Silex (silex.sensiolabs.org/) is also a good choice to start with PHP frameworks, it's like Flask for Python

Micro-framework? I like Slim. Haven't use any other.