That looks to be a very good option John.
I think you are like myself. You like to be able to put things back to how they were, just in case.
After having used power feeds for a while now, I would recommend to anyone that you should at least fit an X axis one, no matter how basic. The quality of finish you can obtain has to be seen to be believed, with no aching arms.
I used to play about with DC electrickery a few years back, and found that car battery chargers, picked up from car boot sales for a couple of squid, make wonderful power supplies for projects such as this.
Bogs