Are you kidding? The Ranger has at least as many mobility powers as the Sorcerer- probably many more. And more reason to use them due to Prime Shot.Well, my sorcerer would leap and jump through melee combat, use thunder leap to get out of one sticky situation and into another (you do a Matrix jump, blasting everyone near you, then fly a short distance and blast everyone near where you land), turn into lightning and sprint through people to electrocute them, and shift everyone around because of my Mark of Storm feat.
The ranger? He just stays out of reach and shoots arrows.
The dragon sorcerer is really the only one that doesn't stand in the back and cast spells over and over.