The biggest missing piece in the iPhone is its ability to sync calendars and e-mail effortlessly.
actually that is a breeze in OS X not so much in windows, dont look for that to change. as with the iPod Support and R&D is focused on the Mac first (it makes sense to support their own products first) then on windows with any resources that are leftover.
Also I know that most People at CES would NOT buy the iPhone hey thats why they went to CES instead of MacWorld
