AveDesk 1.3 is the fourth major release of AveDesk, an application which makes desktop prettier and more usable. This release changes emphasis from pretty icons to mini-applications (also known as widgets and desklets).

Flock is a new browser (Developer Preview is now available) based on Firefox with some new interesting function

You can download it from flock.com.
Also if you need more information you can read this or that reviews.

You can download great icons for flock.