Like many woodworkers, I'm not fond of sanding, however everything is more fun with a motor added to it and since I like to make band saw boxes I do a lot of sanding! I use a 6X48 stationary belt sander with a 9 inch disk, a 1 inch belt sander, a handheld belt sander, a random orbit sander, a 1/4 sheet sander, a set of drums for the drill press which all allow me to replace the paper with standard sheet sandpaper, a flap wheel, a porter cable profile sander, and various grits of pressure sensitive sandpaper I can attach to whatever I need to. I also have a set of small foam backed hook and loop sanders for the drill press that are great for sanding the inside bottom of bowls or spoons, etc. I consider them all necessary and if one broke tonight I would replace it this weekend. For something as tedious as sanding, it is important to me to have options on how to approach it. No wonder my little garage shop is so cramped!