Bits of advice on finding the right drill - The Boston Globe
Tilton, who oversees training of most of Boston's union carpenters, offers this guideline: "We tend to go with the higher-priced commercial equipment because it lasts. For a homeowner, it doesn't have to be the high end, but you don't want it to be poor quality either. I would tend to go somewhere in the middle range for everyday use."
If you haven't purchased a power drill in awhile, your first question might be whether it should run on a cord or battery. That choice is easy, according to the pros. "Corded drills are pretty much obsolete, especially for the homeowner," says Gaddis, "We still use them for drilling through concrete, but I don't think a typical homeowner would need one."