UPDATE:
The source clarifies:
iPad announcement around March 1st, 2011. The March/April date is not for MacBook/MacBook Pro.
So when will the new MacBook and MacBook Pro be released?
Sooner than you’d expect.
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According to a source who shall remain anonymous and is definitely not Scott Forstall, iOS 4.3 is coming as early as late February or Early March, 2011. iOS 4.3 GM is expected to be seeded as early as February 22nd, 2011.
iOS 4.3 will be made available for iPhone 3GS, iPhone 4, iPod touch 3rd and 4th generation, iPad, and Apple TV (iOS version).
In somewhat related news, an Apple iOS executive is scheduled to go to China for three weeks overseeing production of an iOS device; iPad 2nd generation. The next iPad should see the announcement around March 1st, 2011.
Apple is also reported to unveil new models of MacBook and MacBook Pro line late March or early April, 2011.