Open WiFis seem to be really few and far between. Maybe 1 in 30 or less. And they are always terribly slow of course.
But then there are still a few WEP APs (around 1 in 20), most of which are very quickly cracked if not too far away.
Finally, there are the WPA APs which may have excellent passwords, but which support WPS without the need to press a button on the AP. Back in January, I could crack around 2 in 10 APs using reaver. In one neighborhood, it was even half the APs which were vulnerable. And not only did they support WPS, but most had the same PIN ("00000000" or "01235678"). Since then, most have had their firmware flashed by their ISP and are now secure. But there are still around 1 in 15 APs which can be cracked with reaver in a day or a few hours.
In short, for someone like me who is staying in many different places, it is getting much harder to get access, but in the places where I stay a while or return regularly, it is still possible to get a connection...