I didn't notice any latencey issues with GPO..., and the guy was running it on PC too. RAM.., and CPU will make or cut the workflow. Some cheapo sound cards have issues too. The PC I was able to test it on was running 2 gigs RAM.., and I think the CPU was clocked at 2.0GHz but I'm not sure what his sound card was.

I did however hear about latencey problems associated with GBB though. Didn't Garritan release updates to deal with that?

[This message has been edited by squeak_D (edited 05-30-2009).]
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.