I think i should share my opinions here since these rules are still up for debate I'm glad the mod team/site admins are at least discussing this and not jumping the gun. Which i think, if you did implement these proposed rules without any discussion, would be very bad management of the situation.
My opinion on this matter is very similar to what Rol has said previously in the thread...certain users have obviously (and MY GOD WAS IT OBVIOUS!) crossed the line when it came to what was acceptable and what was not. For example, trucks/seece's avatars of the guys from Supernatural were okay...in fact i personally don't even see those pics as being sexual..let alone hyper-sexual. But then some1 had a pic of two almost completely naked guys sitting together in a sexual position that was clearly crossing the line. The same goes for sexual female avatars, Pezus use to have a lot of avatars of a certain model (forgot her name) but this was fine as well, no nudity, just an attractive model. But some people have almost completely naked woman in their avatar like pbroy's this would again be crossing the line.
It should have been up to the mods to draw the line, and let those with the avatars that were clearly inappropriate know that, maybe give them a warning etc. This could have avoided the whole situation imo.
I don't think any new rules should come in to effect, but rather stricter adherence to the rules that are already in place. And if the current rules are not clear enough for interpretation then make them clear.
What the mods also need to take into consideration is that it wasn't as if everybody had soft porn avatars, it was only a few, still is only a few. And now the whole community is paying the consequences. Come on guys surely more thought should have gone into dealing with this...