I had 5 accounts when RAF came out and got 4 more accounts and absolutely do not regret it one bit. It was well worth it. My RAF is up November 4th and at this time I have:

5 Druids level 62
5 Locks level 62
5 Shamans level 64
5 Rogues level 60
5 Mages level 17
5 Hunters level 12
1 Pally level 59
1 Priest level 60

If I did not drop my other accounts and go RAF there is no way possible I could have all these teams.