Looking to start an Admin forum with existing domain - need ideas and maybe some help

Well, I've had the domain admingrounds.com for a while now and have never put it to use.
I'm thinking of starting an admin discussion/tutorial based forum or network on it...
I realize there are a ton of good/big admin forums already, so I need some ideas/help with this...
This is going to be a personal project, aside from my development teams projects so anyone who helps me will be mostly acquainted with me.

It needs to have a unique "angle" on the webmaster/admin industry/niche...

Any ideas? Anyone want to help?

(PS: I have a nifty script installed right now that im checking out, it's a social network script that comes with our hosting packages... Maybe some editing of this will work? You can see it at the domain I listed above until I decide to remove it...)

Thanks guys!

McCoy