Thanks Giz, I would def love to see this become stock in v8!!
Well, my code is pretty basic, Rick is more than welcome to use it for inspiration for v8; it's torn from the demo's at stopforumspam's api documentation.
In its current phase it's perfect for anyone who wants to use it, it likely won't hit their 5k limit; the problem is the api key needed for submission; but it could just not show unless an api key shows in the config.
It'd be great to integrate with the reg process, but the idea of false positives that users need to contact stopforumspam.com to bypass is kind of a setback... If I do add it (and I probably will) I'd advise against its general use, but it'd be there regardless.