I'm sure this has been discussed tangentially in other threads, but my decision is between the Octo 2.8 and the 3.0. That's $800 for a 6.7% boost and I'm assuming every other element in the box is the same between the two. Either way, I'll have 8 GB RAM because I already bought 6 GB from macsales yesterday. I'll have two 150GB Raptors in there too -- one for Tiger and one for audio. The MP will be for recording on a Pro Tools LE system with plugins being handled by native power, I.E. no auxillary DSP horsepower one gets from a TDM system. Thus RAM and CPU power will be key. Also, with high track counts, I'll be accessing hundreds of audio files simultaneously. Any recommendations?