Thought that this link would appeal to the other two people in the world other than me not yet a part of the cult of Adobe (yes I mean you, Andrew and Arthur). This is the first direct comparison that I have seen between the two, and refreshingly, he lets the pictures do the talking, as opposed to the usual web guff one finds.
And a follow up article:
Interesting enough for me to give the beta that's been sitting uninstalled on my hard drive a go. Or at least bookmark this guy's site to check back in once the final version has been released.