The Craftsman won't work for cutting metal, you just can't slow the blade speed down enough unless you're cutting very soft metals (brass, aluminum). Off the top of my head, I believe you want to be in the 100 ft/min range for cutting typical metal/steel. I had a Craftsman bandsaw and it just burned up the blade in seconds when trying to cut exhaust tubing. I bought a metal cutting bandsaw and what a difference, works awesome.
As another option, have you considered a handheld bandsaw? You can mount them to a portable table and work great.
