The Future of Safari
Many web developers have noticed that Safari development seems to be slowing down to less than a crawl. In fact, in many shops I have seen teams stop supporting Safari because of it is too proper in how it renders pages.
Using Firefox as the default browser would be a stand, but I think its safe to say that the codebase is available so worse come to worse, they could skin Firefox to look like the rest of the chrome in OS X and no one, save developers would be the wiser. The benefit would be that we would finally be closer to having a standard browser. At least it would be nice to be able to phase out support for Safari over the next couple of years. It would also be nice to not have to worry specifically about Mac users complaining because they are running a kooky browser. At least we don't have to support IE 5.2 anymore, that was a real headache.