Android 2.2 is now the dominant version of Google's OS with 61.3 percent of all active devices -- Engadget

Android 2.2 is now the dominant version of Google's OS with 61.3 percent of all active devices -- Engadget:

"when taken together with Android 2.1, that group swells to account for more than 90 percent of active Google devices."

2.3 and 3.0 account for about 2% of all devices out there. This means that Android 2.2 should be a stable. dominant, platform for at least a year and remain a practical choice for at least a year after that.