I'm taking a look at the new higher end MBP 15 and already seeing a couple of sacrifices compared to my beloved old 17 inch matte-screen MBP (now held together with duct tape after a hinge wore out). But I'd like to make sure that the newest models are not a step back from other recent releases in terms of long-term processing speed. I'm a researcher and I commonly run multiple cpu-hungry processes at once. I saw the 2.6 Ghz max on the newly released MBP 15's quad core processor, and even though I know that Ghz is not necessarily the best indicator of processor performance, it got me a bit worried. I see the new power boost thing, and that's nice for short term speed. But I'm wondering - if I had 4 processes running at 100% cpu for an extended time, would the new MBP 15 2.6 Ghz quad core still be faster than any previous MBP release? Thanks a lot for helping me get a handle on this!