Revenue Generation and Spam Avoidance on Forums

Thread Title:
Advanced Profiles and Find Services
Thread Description:

Search Guild have an experiment going where their members can get an advanced profile - Kind of like an editable extension of the usual stuff you see in a forum profile. Cost: $40

Chris thinks they can do it without attracting spammers, im not so sure :) but the fee should help for sure...

What do you think? Will inviting members to list their services and post up to 3 urls increase posts and give a little back to those that contribute or is it gonna be a spam fest?