Apple's desktop warrior Mac Pro doesn't get half the play of Apple's laptops and iMac in the rumor mill, but that doesn't mean there isn't plenty of pent up love for the beastly machine. AppleInsider is reporting that Apple has a revision ready with a significant overhaul of the internals. Apparently what's holding things up is Intel's 45nm Penryn chips, which should be available around the middle of November. Of course, rumors had the Mac Pro in quite similar shape last year, with Apple holding up production for upcoming Clovertown chips. Those arrived right on time, but Apple held up the 8-core Mac for five months in anticipation of Creative Suite 3. The theories this time around are that now that demand is raging for pro machines thanks to Adobe's quite successful product, Apple's going to try to get a new high-end machine -- which could be up to 45 percent faster -- out the door as soon as possible. Rumored specs top out at dual quad-core Xeon "Harpertown" chips running up to 3.2GHz with 1600MHz bus and 12MB of L2 cache, which would be 8 cores of thunder indeed. Who knows if Intel can be shipping enough of those by the end of this year to warrant a Mac Pro release, but it seems like however it goes down, professionals are going to have a new and pricey toy from Apple before too terribly long.

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Apple's waiting on Intel's Penryn for revamped Mac Pros?