The second element, a two-zone cooking system, basically means having enough room to divide coals up, creating a hotter section for searing and a cooler section to promote convection cooking. This basically turns the grill into an oven, complete with a broiler off to the side for finishing meats off. It's essential in evenly cooking things, a great equalizer across all price points and one that gives an inexpensive kettle an advantage over its luxurious egg-shaped brethren. If there’s only room for one pile of charcoal, you should continue shopping.
Grilling accessories can be really, really fun. There are so many ways to trick a grill out, it's a wonder Xzibit hasn't signed with HGTV. But at the end of the day, you don’t need a ton of gadgets to grill well. You just need the basics: tongs, a spatula, some grill gloves if you’re feeling frisky, and a wire brush to clean.