Currently I have a Yamaha motif and I WAS satified with the current sounds I was using for music production but now, those sounds are getting "late" ...I am tired of hearing them and using the only good sounds available...my question is Is there some type of expansion card available for this keyboard to give it more sounds or would I just be better off buying the Triton rack and using those sounds? ...Anyhelp would be appreciated (that damn www.motifator.com didnt help)