Ehh. I don't see anything wrong with Daz's system. They just added a "commercial" tag just like we have one for nudity and violence. That way if you don't want an advertisement shoved in your face, you don't click it. Renderosity could take this a step further, and just like our accounts can filter nudity/violence, they could also choose to not be able to see commercial posts. Both have their ups and downs. Neither is perfect. I'm fine with it the way it is - I just wish it wasn't such a "fine line" with posting things in different forums. But certain merchants make it that way, I suppose.