If you’re considering a MacBook Pro for digital photography, it appears that the new Core 2 Duo model is substantially faster with Photoshop and Aperture than the original Core Duo model. Read for yourself at barefeats.com—Shootout: Two MacBook Pros - Core Duo vs Core 2 Duo.
Many times infrared is most attractive in monochrome (usually black and white eg grayscale). But sometimes an image works as a pseudo-duotone. Learn how to achieve effects like this in my upcoming Introduction to Digital Infrared—the followup to my October 25th class—look for it in early December.