I've been reasonably happy in the Mac camp for about 10 years now. Recently they did something that makes me furious. They essentially force the user into using their photo import, browsing, etc., tool. So, say you have been using Picasa for years, now this new tool comes in and creates it's own thumbnails, then all those thumbnails are all automatically added to Picasa, etc. It is not easy to turn off this tool! I hacked it... but it makes me furious, enough so that I want to consider Windows again. (I know, I know... been there done that.)
I was relating this to my BIL who is "all things Apple", he follows their every move. This is so unlike Apple, to try to force the user into some particular piece of software. He looked at me with a more somber face than I've seen from him... "Steve Jobs is dead. That's all I can come up with."