Update 2: Google has updated its official list of countries with access to paid Newsstand content, and it looks like Spain is the only other country to get in today. Enjoy your magazines and newspapers, amigos - better luck next time for everyone else.
Update: At least one of our Russian readers says that paid Newsstand content is available in Russia as well. Nasdarovje, Pavel Azroyan! If anyone else sees paid content in a previously unsupported country, check out the Contact page and drop us a line.