Decreasing your utilization will definitely raise your scores. Congratulations on your successes thus far. As far as tips go, I would suggest getting a store card to improve your credit mix if you don't already have one. Other than that, looks like you're on the right track.
Sept 07 EQ 419
April 2012 EQ- 669 EXP- 680 TU-700= Proud New Homeowner!