Selling Old Equipment

I've been thinking about selling off my rack-mount CD players (Numark CDN-36) and old Numark CM100 mixer on eBay. They're both almost 3 years old. The mixer is in very good condition but one of the pitch controls in the CD players is a bit shakey. If I can sell both off for $350 I'll be happy -- maybe I can then buy a second hand CDJ100, which is much more portable. The main thing slowing me from selling them off ASAP is I don't have the original boxes, which means I'll have to go through a lot of hassle to pack them up properly so they can be posted!