Ohh a meet up! i'll be up for something (not that i'm late to this thread in any way....)
Given that i'm in 2 of the photos you posted (that original Sammio weekend was a laugh even with just a few of us!) , i'd be up for something, but everything going on in work means that i can't commit until nearer the time sadly.
I hate to say it but Swindon does look like a good central point, meaning Castle Coombe might be a good location. Plus i can get there easily without going near the bl**dy M5!
i'll keep an eye on this thread and see what comes of things
