-built-in wlan & bluetooth
-10/100/1000 ethernet
-pc-card slot
-backlit keyboard
-automatic screen brightness
-takes 2GB memory
-has firewire 800 in addition to fw400
-s-video out
-full-size DVI output port
-metal surface
-credible
you deside. ibook is good and cheap, pb has a bit more options that you may not need always, but when you do, they are worth the extra $