got it and have 6 characters on it

very cool.
My only advice is dont use any electric damage i found it very under-powered.
My current characters are
TECHNOLOGY - Blaster - ASSAULT RIFLE/DEVICES (Karsus)
MUTANT - Blaster - ICE BLAST/ICE MANIPULATION (Narsus)
SCIENCE - Controller - GRAVITY CONTROL/KINETICS (Karras)
MAGIC - Controller - ICE CONTROL/STORM SUMMONING (Frozen Waste)
NATURAL - Scrapper - SPINES/REGENERATION (Toxic Decay)
SCIENCE - Defender - RADIATION/RADIATION (Galvatron)
all of them on the liberty server
also be patient with your builds, some take 20-30 levels to come into there own, and then they are awesome. COntrollers for instance become pretty awesome at 32nd level and are fairly tough to play till then.