YES ! Well worth it.
The vocal harmonizer has been greatly improved, the sequence play has been improved, the layout has been expanded, this is a much upgraded kb. The sequencer on the 740 will not allow you to search for a song if one is playing. The speakers on the 740 are much lower powered and break up faster , escpecially when driven with the mic. The volume knob is NOT connected to the line outs on the 740 either. YOu cannot turn the sustain off on the left hand sound (740) - there are too many improvements to list.
The only reason to buy the 740 over the 2000 is if you are not a singer, don't play sequences, never play left hand bass parts, or just don't have the money.
It's in another league already.
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