Having tried both, I agree with DNJ--get the 3000. However, if you're really strapped for cash, the 1500 would be my personal choice. Easier operating system, better sounds, lighter, and lots of technical support via the forums.
Gary
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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.)