Why haven’t I heard of this before? Optimize your Mac for Photographic work
I’ve just stumbled upon this site that seems to answer all of a photographer’s questions about how to optimize their Mac computer to work most effectively with photo-centered applications. The Mac Performance Guide is really up to date too – I found it after noticing a mention of optimizing your mac for Photoshop CS5! You can even buy pre-configured systems from them that are pre-optimized for you.
Now, if only he would do this for Final Cut we’d be off to the races 
