Very true. I use a MacBook Pro and I recently tried altering my workstation for that very reason. I bought a stand for the Pro, and a bluetooth keyboard and magic mouse. Sometimes I HDMI it to a larger screen and work farther away from the laptop itself. So far, it's been working very well for me and I'm probably going to change my other workstation to accommodate this as well. I don't feel as "slouchy" or tense when I'm done working.
Mac keyboards, for example, use scissors switches or rubber dome, which aren't the best for your hands. Apple used to offer a mechanical switch with the Apple II: http://deskthority.net/wiki/Apple_Extended_Keyboard_II
