I think I stumbled into that job when posting this thread. I tried to work on Snoopy, but she's not going for it.
Really, we'd just need to decide on a time and place and call for a ressie. Do you know if any of these places have a room that we could use or just the main dining room? You know, just in case we get a little loud.
As far as bringing the kids, I'd say it's up to the individual. I probably won't have my family with because they are usually busy with various sports, etc on the weekend, not to mention the fact that I'd probably have more fun without them...Did I just really say that?
I think that Tysons would be a good central location--easy to get to, if you don't count mall traffic. Lots of parking so us parking challenged people don't get stressed

and a variety of restaurants to choose from. I'm vegetarian, but it's easy to find something for me to eat most anywhere these days.
The when--needs to be a weekend. Is a Saturday lunch better? Sunday late morning brunch? Sunday lunch? I'm game pretty much anytime--my DH can hold the fort down at home because if I try to work around my family's schedule I'll never be available.