The rumored release date of the successor to Vista, dubbed Windows 7, has typically bounced between 2010 and 2011 until Bill Gates let the following slip:In response to a question about Windows Vista, Gates, speaking before the Inter-American Development Bank here, said: “Sometime in the next year or so we will have a new version.” Referring to Windows 7, the code name for the next full release of Windows client software, Gates said: “I’m super-enthused about what it will do in lots of ways.”Mr. Gates was not