Yeah. Get one of these theyre a must if you want to protect your investment
http://members.shaw.ca/axxus/db1v20.htm
He sells them on Ebay too..Search for "CNC parallel" 50-60 bucks. Well worth it IMHO
Also, make sure you mount the gecko drives to a nice sized heatsink because those puppies do GET HOT.
You make anything to mount them in yet?