Chiming in here since I am about to do the same exact thing!! I will keep a close eye on this. We are in the high 600's (680,690) and have high utilization. We are paying off with cash. Hoping so badly for that 720 lower middle. 
Starting Score: 615
@happy0510 wrote:Chiming in here since I am about to do the same exact thing!! I will keep a close eye on this. We are in the high 600's (680,690) and have high utilization. We are paying off with cash. Hoping so badly for that 720 lower middle.
Please do! Let us know how it works out for you and I will do the same! "May the odds be ever in our favor"