Here's an article by an American professor of English who deplores (among other things) "a boom in Britishisms" amongst among his students:

...not only the weirdly popular "amongst," but also "amidst," "whilst"—I actually have gotten that more than once in assignments—and "oftentimes." (In a parallel move, the stretched-out and unpleasant "off-ten" has become a vogue pronunciation among youth, as has "eye-ther.") In spelling, "grey" has taken over from the previously standard "gray." I haven't seen "labour" yet, but the day is young....

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