Macworld has a “First Look” at the new MacBook Pros, that some maybe interested in looking, if you are interested in the first of Apple’s Intel-based notebook offerings.
They have some good benchmarks in relation to apps on PowerPC vs Intel, including Photoshop. Considering that a lot of non-multimedia software that genealogists use don’t necessarily rely on a speedy processor, they had good news as well, to quote Jason Snell from the article, Several of my bread-and-butter applications, most notably Eudora and Microsoft Office, aren’t currently available in versions that run natively on Intel processors. But I honestly haven’t perceived any slowness in those applications.