I guess the prioritys for me are:
1. Good competition in a 1 design or formula or box rule class
2. Good wind.
3. Competent RC
4. Post race socializing with fellow competetors

Things I don't care about. giveways, food, fancy bling for winning. I would pick a windy venue over a good party anyday. I would pick a 9 boat one desighn fleet over a 50 boat open fleet anyday.