I completely agree - collecting the crowd beforehand is absolutely vital and something that we didn't do enough. We are 3 days into our campaign and already wishing we knew this beforehand!
Only found prefundia.com yesterday. I didn't know where to assemble people to signup - so we had a small facebook following which of course Facebook makes you pay now to access..
Victoria
The Moody Dudes
http://kck.st/1u0qr5D