I stumbled across what you didn't hear from Apple

Found text:

"Here's a bit of what you didn't hear from Apple regarding their new Intel-based iMac and MacBook computers.

Applications compiled for the PowerPC processor will run 5-10 times slower on a MacTel computer. Performance of many useful programs on a MacTel will approximate the performance obtained on a 300MHz Blueberry iBook (average eBay price, $300). If you want to run heavier duty apps on your new MacTel system, you'll probably want to install windows XP and purchase the Windows XP versions.

Large applications not built using Apple's compiler will require a large engineering effort in order to run natively on a MacTel system [especially difficult is Assembly code]. If it were easy, important apps would have already been native MacTel software."
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Comments:
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This most likely was the development hardware not the Intel Core Duo "Yonah" chips. From Job's demo it looks a bit faster. Maybe Adobe will have surprises for NAB, but Adobe CEO Bruce Chizen commented to CNET.com in August 2005: "If you look at our product cycles for products like Photoshop and Creative Suite, they tend to be in the 18- to 24-month cycle, which means that you're talking about either Q4 of '06 or Q1 of '07."