So lately I've been seeing these and they seem pretty cool. I was wondering which one I should buy. First of all, I've read a few other forums about this but they all delve in to electronic language I don't understand. For example, do I need to plug it in to my computer? Do I need to buy a program on top of the instrument? My main concern is ease of use because I'm not that great with music software , so which one is best? Also is there a noticable sound quality difference between the two? If I do get it I plan on playing more synthetic sounds because I personally think trying to copy existing instruments electronically doesn't sound that great.