CM 11 Customization Suggestions

Hi. So I just installed CM 11 in my Samsung Galaxy S3. Because Touchwiz is awful for my taste. Anyway, I need suggestions on how to take full advantage of CM 11.

Right now I'm looking for a clean minimal theme for my device. I don't like clutter (that's why I've been with iOS since my fist smartphone until recently). I also need a minimal notifications app for my lockscreen. And a clean email widget for my homescreen.

Any suggestion? If you can recommend other customizations for CM 11 I would also appreciate it.