Check out btchorse. It was starting 2 weeks best ,and was accepting newbies as well.
it seems like he is a Jr.member and his activity can actually go higher once he posted
Does it pay more for accounts higher than newbie?
Yes, higher rank will get higher payment as their signature allows link and some colour to make it look attractive, for reference of the payment
check this thread
https://bitcointalk.org/index.php?topic=615953.0