Just a thought on how the Old & Sad result might look under AV.
Labour (14,718 votes) hoovers up second preferences from the BNP (1560) and Greens (530), to make 16,803 total (48.1%).
LibDems (11,160) take second preferences from Conservatives (4481) and (by inference) UKIP (2029) making total of 17,670. 51.3%.
Elwyn Watkins elected MP?