I originally joined TCA to go to York, in fact, it was in the parking lot near the Red Hall that I got 2 signatures from guys I met there. That was Fall 2000. Since then I have missed a total of 4 meets. So yes, York was (and is) a big reason for my membership. However, I also attended a number of the Keystone Division meets when I lived in the Hershey / Hummelstown area. I've also attended one of the Fort Pitt Division meets, although the scheduling of their meets on Sunday mornings is a bit disrespectful and inconvenient. I won't skip church to go to a train meet. The Keystone Division "leadership" doesn't seem to read or react to emails or even requests for business meeting dates / times. They are certainly not a reason to remain a member.
I've bought things out of their HQ news. The TCA Quarterly is a brief, but occasionally amusing read.
But York remains the major reason for membership, although it's more about the people I see there rather than trains at this point. Trains are a close second.
George