My wife and I went out to Mineola for a burger lunch last Saturday with a BMWCCA group by a very roundabout route.
I'm planning to go on a Sunday morning drive with DFW Auto Club on 8/29. I think there are still spots for that one.
One other thing:
If you haven't seen the "I drive flat out" video, watch it here: http://www.m3post.com/forums/showthread.php?t=419239
. It's a hoot.