Great controls collection

Doing some research today regarding Visual Studio I came across an incredible looking collection of controls (and free to boot!). They are simply called XP Common Controls (XPCC), written by Michael Dobler and distributed on his website. This may be old news to Windows Forms developers, but as a relative newcomer I hadn't heard of them before. They do a wonderful job of recreating the look of Windows XP as seen in the task views of Windows Explorer and Movie Maker, as well as much of the pizazz of MS Office. For all of this to be available for free is almost too good to be true! Now I just need to come up with a killer Windows Forms app to utilize them...