Resto Druids are bad for pvp multiboxing.

Why do you ask?

In order for a resto druid to be an effective healer, they need to kite. Being a good resto druid means you can keep people away from you. If you're trying to run 9 other toons you may not be able to kite effectively. If you can do it, then props to you! This is why Holy Pallys have such a high representation within the multiboxing community - they can stand there and heal their ass off and can take a few hits in the process.