We are currently using google checkout to handle our recursive billing (hosting and monthly payments towards site-build fee) for our clients. This has become a PITA. Manually emailing invoices, processing them, and tracking each step of the way has become time prohibitive. What do you guys use? I'm looking at FirstEdge/AccountEdge from Acclivity (formerly MYOB). Do any of you fine folks use either of these products, know of them (pros/cons), or have alternatives? Thanks!!!