I think you should have knowledge about the cdj because without knowledge about your expense will going to high. So first learn how to use a cdj then buy a midi controller. So that you can save bunch of money and work very pretty.

Well friends you can get LG monitor in old model with low price because this will guide you about how to make monitor and which one will you cost price if you start produce.In monitor development it has best result. I think you should go with LG.