Unfortunately you're not going to get huge turnouts like we did in years past. A meet with 4 or 5 GP's is going to be considered "large". The Grand Prix isn't as sought after as it used to be. Kids are buying used SRT-4's and WRX's...not GTP's. With creeping mileage...not many people are willing to travel to meets.
I'm going to be at Carlisle this year....hopefully! But other than that, I won't be traveling to many meets / cruises more than 100 miles from me.