I actually played there for the first time last week. The tables were supper soft. However, there were only like 3k people online. That is way small compared to sites like Full Tilt, PokerStars
Also if you SNG's take forever to fill up, so if you are going to play there, play ring.
I'm in the process of withdrawing some funds from carbon just to see how their process goes. On stars I get funds in my account usually in 48 hours. So far on carbon it's been five days and I'm still not approved for the withdrawal.