Which is the iPhone's main rival now? The Hero, Dext, 9700 or X6?

Only the most die-hard Apple fan boys/girls could deny that in the last few months the gap between the iPhone and some rival products in terms of their hardware has significantly closed. The Google Android operating system has been very cleverly executed on some intelligent touch screen handsets and now they are beginning to look like real rivals to the iPhone.
Of course what rival handsets don't have is the whole Apple eco system that means better integration with hardware, killer software like iTunes and of course the incredible app store. Still the gauntlet has been thrown down and I expect we will some significant revisions to the iPhone next year.
In the mean time which of the new breed of handsets has impressed you most. Here's our take on some key ones















