It burns much hotter and faster than the regular charcoal briquettes. If you're doing some grilling you will not find a better heat source. If you're barbecuing you will find that you need to add smaller quantities more often in order to control the heat properly.
The low and slow method of cooking breaks down the collagen in meat and helps tenderize tougher cuts for easier eating.
Just wait...using LUMP won't soon be good enough, soon you'll turn into BBQ monsters like the rest of us and won't be happy until you're making your own lump!