New framework version added support for Google Web Fonts, and first 3 themes to be updated with it are here. All three are using web fonts for site title, post and page title and post archives titles. After FrameFX, newsScape and R8, rest of the themes are coming out soon.
Image on the right is example from R8 with custom Google Web Font. Currently module for Google Web Fonts contains 62 fonts to choose from, more will come in next versions.
To see the theme and framework in action, visit the WordPress MultiSite powered demo website. You can get your own demo website to test themes controls. If you want one, use contact form.