I just returned the PowerCore firewire to my dealer. My computer is setup correctly and had all the necessary horsepower to run the plugins. And I installed an Adaptec Firewire card to be used only for this unit. I had the following problems with the unit. 1: It had problems communicating with my computer and would just stop dead. (not a good thing with a client sitting next to you) 2: The reverbs sounded good but most of the other plugins sounded harsh or distorted and as a mastering engineer I had a no use for many of them. 3: Calls to tech support were problematic to say the least. I thought this unit would be of the quality of the M6000 or at least the M5000. I was disappointed. I own a lot of TC gear (M2000, M3000 and 2 Finalizers) and have always thought that TC made very good gear. This unit came very highly recommended so it was a big disappointment to actually get it and find that it did not perform as per what I had been led to believe. I joined the PowerCore users group and now see that I am not the only one who is having problems with their PowerCore units. Most of the problems seem to be clicks, pops and drop outs. I was just a a demo of the TC M6000 and was blown away by the unit. The person doing the demo spoke very highly of the PowerCore and compared it to a M6000. I guess he was mistaken. Anyone else having problems with their PowerCore? Thanks in advance .