Yes, I have. They're great!
Whoaaa. Double rainbow. All the way. WHAT DOES IT MEANNNNNNNN??!?!? Yep, I had to chip in with that. XD For those who haven't seen it yet and are wondering what we keep referencing, check it out:
//www.tamatalk.com/IB/applications/core/interface/js/spacer.png. It's pretty awesome.