Mind you there is a limit as to the amount of money that can be spent here. I am limited to around $600 for the 2 items together. Also is there anything special I will need to hook these up to record onto a deaktop PC? I have a 2 channel mixer, would that work? So basically, within the price limit of $600 I need a nice keyboard and drum machine with the ability to connect with a PC. Any ideas?