Hard to pick a favorite so I'll list several: My 500gb WD "my passport" HD wireless thermometer from bass pro shop (for reading outside air temps)
and all the grill stuff from my GF: Weber basting brush/bowl Weber 'kabob set Hasty Bake solid wood grill brush (had a dif. kind that broke before) a griddle for my grill a grill wok beer can holder for grilling beer can chicken (helps keep the thing from fallin' over) 2 weber 'oven' mits for the grill