Yeah, despite losing over 1 GHz of processor power compared to my old machine, my 11" MBA is easily the fastest feeling computer I've ever owned, no comparison.

Yeah, despite losing over 1 GHz of processor power compared to my old machine, my 11" MBA is easily the fastest feeling computer I've ever owned, no comparison. Most things that most people do are seriously I/O constrained. And if the Photoshop filter takes 6 seconds to apply instead of 4, it's not a big deal. Serious games and video rendering, of course, are some big exceptions.