I would like to start a discussion to know what kind of service- & pricing models other SEM consultancies are offering their clients. I offer Google Adwords and Yahoo Search Marketing campaign setup and management and also SEO. I have above 10 years of SEO experience and started using Google Adwords in 2004. I would like to know how other agencies are getting paid from their clients, to see product cheets and so on to maybe get some good ideas. Anyone?