A simple task switcher concept for Windows phone 7

Spippo has posted this concept of a task switcher for Windows Phone 7.  While he writes that this would be an interface for multi-tasking, I don’t believe we need classical multi-tasking to to still need a task switcher.  Especially with copy and paste coming to Windows phone 7, I can soon foresee the need for switch rapidly between a number of applications, especially when creating a document from multiple sources.

Do your readers agree the UI appears petty elegant? Let us know below.