I don't know where I could ask this, so I'll post a thread here. I got a used DJM-3000, I'm thinking of putting it on ebay. I'm also gonna include the rack case. Here is a pic of it: It's missing an effects knob. Every function on this mixer works completely. A buddy offered $300, but I think it's worth more... It's a bit dusty in this pic, I'll clean it up before I put it on ebay. Could I get a price check on how much this is worth? Thanks in advance.