With Memorial Day and the traditional start of summer just around the corner, you're probably daydreaming about that giant rack of meat you're going to throw on your trusty grill this weekend (don't forget the vegetarian options, too!). But before you dust off that barbecue, consider using one of those old computer towers for your cookout.Related StoriesHow to take a screenshot on a MacNew Macs with 802.11ac Wi-Fi coming soon, custom built chip sighted
