This sounds a lot like something I tried to run a few years back... god I feel old just thinking back that far...
I feel so nostalgic, I almost want to drag up my old files again, and see if I can do things better this time around...
but.. let's not do that shall we?
Yours seems like there has been put much more thought into it anyway... no need to compete.

In fact, I might end up joining...

Yes! I think I will do that!

Where do I sign up?!?