Family style BBQ > over priced food at Dr. Jacks.
I've got a Costco membership and would be down to use it to help get some good dogs and beef even if I'm not available to make it that day...just let me know. If we get enough people together we should coordinate our own contributions (somebody bring paper plates/plastic silverware, a few people bring a case of their favorite beer, somebody bring the condiments, etc...)
Rather spend the day with my brothers and sisters than among a group of strangers.