Right, without wishing to dampen the enthusiasm for this project, I can assure you it's going to be a lot harder to get it sorted than most could possibly imagine.
First, I'm afraid that what appears to be unlimited enthusiasm on here may not represent quite as much in the real world. In my experience, ten forum promises to attend equates to one person actually making it on the day. Also, if you're going to 'sell' the idea to a business, you'll need to guarantee a viable turnout. I think you'd be better off organising something around an existing event, where at least some of the interested parties will be going anyway. Kelmarsh or the Midland Game Fair are good meeting points, with camping facilities on hand.
I'd love to bring some springers to a meet, and I'd certainly give it publicity in the mags, so keep me posted and good luck with it.
If you don't know enough to judge - don't judge