Thanks Monte, that helps.
My IDX Pro has the Mr. Bill mod. One trashy place I want to work is an old railroad yard in Mexico. I was there a week ago with the IDX Pro getting lots of attention from the kids and a friendly security guard. I was pulling lots of Mexican coins [little value] and a few U.S. coins [and handing most of them to the kids]. I'll practice that slow sweep. I guess I'm leaning to the 5 inch Excellerator to use on the MXT but I will try the 5.3 Eclipse if I get a chance. Still have a lot to learn, but trying to keep the equipment to some kind of a minimum. Thanks for the advice and good luck. James