I think the QS series was nice. Very warm sounds. The Fusion is supposed to be updated on the sounds, so a more polished QS based sound set would be great in my opinion. Alesis is really heading in the right direction here. They're releasing a complete powerhouse of a synth and workstation for an affordable price. Granted I'm a supporter of the Motif ES, but I think the Alesis is offering more for less money (again my opinion)

Squeak