My 5-box team was somewhere around 43 or so when RAF came out. I dropped them in a heartbeat and started over. 2 days /played and I have 5 level 47 shammies and 5 level 46 paladins. Both sets will hit Outland this week, then it's on to two more teams.

The XP is insane. I can't even upgrade because I outlevel things too fast. I was done with STV before I realized that half my guys were still wearing grey garbage from the starter zone mobs. I was getting like 15k xp for quests like Bloodsail Bucaneers. I got like 24k for Into The Scarlet Monestary and The Spider God. Totally worth it if you want to level fast.