I don't have a ton of experience with the these boards. Mainly I've played the G1000 a few times and dabbled a little with the EM2000 and EM55 as well. That said, the tonal quality and features of the G1000 and EM2000 seemed to be better than those of an EM55.
BTW, the PA80 has a few of those guitar patches built in that have guitar sound effects. When I altered what was in the board and made my own custom guitar patches, I realized that it wasn't at all like I thought it would be. The PA80 has a key off feature, that allows a sample to be played as you release pressure from the keys. This differs from aftertouch or delay, because even if I hold the key down for 5 minutes, the sample I assign to the key off feature will not sound until I let the key up. Also to my surpirse, the key click or string slap effects were not used in the original patches. Instead, a regular guitar sound was used that was edited via synth parameters to sound almost like a muted slide. The effect works very well.
AJ
[This message has been edited by Bluezplayer (edited 12-21-2003).]
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AJ