This is just a simple idea I thought of for Fast Dial's Interface.

I am using iPhone App Style Icons thinking about this...

Think of something like the PlayStation 3 Main Menu: http://www.dailymotion.com/video/xc8np_playstation-3-interface_ads

The Categories (Across the Screen) could be like folders in FD, and the bookmarks would be up/down.

Also, it would be completely optional.