https://bitcointalk.org/index.php?topic=211858.0I would suggest reading up on the trust system. The above link goes to the announcement topic from the Meta section.
I'm going to leave this thread unlocked for newbies to ask questions and help each other understand. Useless replies and off-topic remarks will be deleted.
Edit - This is a useless reply:
+1 for trust
Credit to theymos I guess...this new addition is a good idea. I always thought it'd be cool if this site somehow integrated bitcoin-OTC but I think this is better. Bitcoin OTC-while encompassing all bitcoin transactions (not just ones on this site) is far too confusing for the average user (probably why not many people are on there). This system seems very user-friendly.