Looking things over a bit more, I actually have no gripes releasing under the GPL. And I interface with the PunBB API, but don't use it - although that still locks me in, the way I'm doing things. It's all good, though.
You can follow my progress in converting it to the final version at
http://cjmovie.net/ (which is currently an install of the CMS itself, for testing. I've thus far finished the auto-installation script and built a new style for that site (a crappy one). Next on the list is fixing up the gallery and then a few more admin features).
And although I do realize there are tons of CMS systems out there, there are a few reasons I think mine would serve best for a FIRST site:
As the OpenFIRST site says (and as far as I know) websites must be designed entirely by high-school level workers, which allows this CMS to be used under the website competition.
It's relatively lightweight, and any features a FIRST site would need should be built-in. Things such as videos, pictures, page editing, and even the extra of the Forum when installed with punBB.
I'll be listening directly to feedback in these forums (and from the community of FIRST web developers), so anything that a FIRST site needs will get the highest of priorities. Plus, I'll be around for help.