Hi Terry, welcome to the board. Do you mind if I ask you for some specifics on the trouble you are having?
I have used the BSR machines at my LQS, and they are great at maintaining a consistent stitch length, but they are not going to eliminate all of the other possible problems you could be facing. You still have to deal with needle, thread, tension, posture, quilt position, possible drag, and many other issues just as you are facing with your machine right now. Maybe the answer is a bit cheaper than $4,000, if you're interested in trouble-shooting the problems you are having. :D