HoverDesk is a powerful and complete desktop replacement that adds versatility to your existing Windows desktop, and lets you customize your interface according to your needs and tastes. HoverDesk includes launch bars in unlimited number, tiles that can be any size or shape with support for full transparency, a fully customizable Start Menu replacement, a powerful (taskbar inspired by the NeXTStep OS), and an open architecture that allows the use and development of third-party plug-ins. Also included is a quick and easy configuration with drag-and-drop support, as well as support for themes.
More info:
hxxp://www.hoverdesk.net/

Tried this app and had to do what you call a reformat :D