thecoalman - 4:54 pm on May 25, 2010 (gmt 0) [edited by: thecoalman at 4:56 pm (utc) on May 25, 2010]
Advertising is fine. You could make it ad-free for the paid members.
Personally I never liked the idea of being able to buy your way out of ads. Non paying contributors who answer questions are vastly more important than someone who paid a fee that is seeking advice.
[edited by: thecoalman at 4:56 pm (utc) on May 25, 2010]