Well when I played sunrise I used the create button and soon people joined.
If you do want to try hosing a server you can try it, but I stand by what I have said. I have run servers in the past with couterstrike and COD2 on, they take a machine on a 100mb+ connection. and you do not use the hosing machine to play on it either!
Anyway info is here if you really want to try (a usefull site for info anyway) -http://united.tm-exchange.com/main.aspx?action=threadshow&id=23917&page=auto#auto