Hell, we can't even get a handful of people to meet up and you want at least 10? Do a search in this section for previous threads and see how well that worked out.
Seriously, this shouldn't be a big deal for just a few people to get together. Post a day, time and place... at least a few people should show up. But, trying to organize some kind of meet... meh.
Just my opinion... I've organized and helped organized a handful of these.
Mark