Yes, I know - I owned both the PSR-500 and PSR-550, both of which had a huge number of features and really sounded great. With this new "S" series, there is a tremendous difference. Lots of great features were just not included with the low-end models of the S series.

Gary cool
_________________________
PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)