Curious that Safari and Opera users are less inclined to patch to the latest versions. Is this an interface question? I think Firefox does a good job of respecting the user with new updates, although I gather not everyone likes this approach.
Timothy Prickett Morgan's article is coy about just how tounge in cheek it really is – but one thing he overlooks, and Oracle are unlikely to in their acquisition of Sun is just how important a supported stack is. Yes, Sun's software is open source, no, that does not mean that you can simply undercut existing suppliers in their installed base: Oracle have already seen this movie, it was called Unbreakable Linux and Red Hat is still the dominant enterprise Linux vendor.