G70:
Low impedance jack for mic , with separate vocal outs..
Microscopic edits for sequences and styles.
Make up tools for styles and sequences..
Half measure fills and ritardo features..
Real drawbar organ module..
Guitar mode..
Touch screen..
SMF to style converter..
Lyric edit capable for sequences..
These are just a few extras on the G70[without mentioning extended areas of the same features as the Harmonizer, fills [6]..etc]..
Tyros2.
Record to hard drive..
Text feature..
How many options constitute many?
Ian , you may not want to rely on your "sources" too much..

The reason sales were down on the G70, because of the marketing decision to use only the CK dealers..instead of the IM dealers.
.Also CK dealer products always have a higher list price, as the dealers have always made a better mark of profit..
Thus the drop from $4,995 list to $3,995..after the decision to market the G70 in IM stores..