I also resubbed for the ten day trial and am having a lot of fun with the game. I hear lots of posters here saying "wait until you get to the higher tiers they suck" so i am taking their advice. I am leveling very slowly and spending time trying out…
I have to admit i didnt read all the previous posts because it looked like a debate on are healers useful. But to get to the OPs question. A fine support character is the Earth/storm controller.
Soloing, forget it until you get your pet. Even then…