Welcome to mobile OS season. In the past few months we’ve had Windows Phone 7.5, Apple's iOS 5, Android Ice Cream Sandwich and RIM’s BBX. Who deserves the crown? We appreciate that you won’t have had a chance to play about with all of these as some are hot off the presses, but we want a feel for where your allegiances lie.
From what you know, what you’ve seen and what you expect, formulate your opinion for mobile operating system of the moment and tick the appropriate box below.