Apparently the Apple VGA Adapter model number has gone from /A to /B. Does anyont know why or what the difference is, or how to tell the difference from the product alone (not from packaging)? Is there a difference at all?

After some searching, it looks like greater bandwidth capability.

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This is the quote the OP is referring to:

I'm guessing that the /A is for iPad original and /B is for iPad 2. Go with what works! The Apple Store no longer sells the /A. I think it has to do with a max picture quality of 720p for the /A versus 1080p for the /B.

Thank - I have been looking for a couple of days and could not find a thing.