In a gift to all ENGA3 (and ENGB3) students everywhere, today's Guardian runs a story about the changing language of Britain's tweenagers, and it includes references to not only change but gender and age-related variation and the influence of American English.
Read more about it here.
Edited on 29.05.12 to add:
When posting this I didn't realise that the Daily Mail had also covered the story in a much less nuanced way. Their feature- by Matthew Engel, a man with anti-American form - can be found here and is a great (as in deranged and crap) example of prescriptivist griping. It doesn't bode well that the headline uses the verb "swamping" to describe the supposed spread of American English into the UK.