[Party] numbers of mappers, and food

[tim]

Hello,

I'm planning on doing a mapping weekend for Leeds for Septemeber - and
am looking for suitable venues - in your experience, how many people
turn up to past mapping parties?

I'm estimating 10-20?

Which leads me to another question - food.

What types, amount and kind of food do you arrange? Tea, coffee for
the morning and sarnies for lunch?
Do you get someone (the venue?) to sponsor the food, or do people
generally buy their own?

cheers,

Tim