bronee: i mean if they really wanna prey on the vulnerable in PC couldnt they get by it with new name email etc

As an observation, people who present themselves as potential sexual abusers are likely not the ones you should be concerned with. People who are sincerely interested in preying on you are not going to slap a label on their forehead so you can anticipate their motives.

i just want to feel safe

There are different degrees of safety. For example, a person will often need to feel that it's okay to be vulnerable before they can share personal details with another person. Community moderators can help create that kind of climate but there's other kinds of safety issues to consider, particularly in the online environment. If, for example, you were sharing your personal name and address with other people in the chat room... they can't protect you from things like that. In other words, the person who is in the best position to keep you safe is probably you. Even if a full-blown raging pedophile was to show up on this site, he or she can't actually physically harm you unless you give him or her the tools to do so.

Check out this site for more info: wiredsafety.org

Here's another good site: WHOA: How to Stay Safe Online