AV Referendum

YouGov:(1) The Conservative-Liberal Democrat government are committed to holding a referendum on changing the electoral system from first-past-the-post (FPTP) to the alternative (AV). At the moment, under first-past-the-post (FPTP), voters select ONE candidate, and the candidate with the most votes wins. It has been suggested that this system should be replaced by the Alternative Vote (AV). Voters would RANK a number of candidates from a list. If a candidates wins more than half of the ‘1st’ votes, a winner is declared. If not, the least popular candidates are eliminated from the contest, and their supporters’ subsequent preferences counted and shared accordingly between the remaining candidates. This process continues until an outright winner is declared.(2) as 1, but ommitting reference to government (3) If a referendum were held tomorrow and the question was "Do you want the United Kingdom to adopt the 'alternative vote' system instead of the current 'first past the post' system for electing Members of Parliament to the House of Commons?", how would you vote?
ICM: (1) The new Government has said it will hold a referendum on whether to replace our current voting system, first past the post, with the Alternative Vote, which allows voters to express more than one preference. How will you vote in this referendum? Would you vote to...(2) A referendum is due to be held in May 2011 on adopting a new voting system for British parliamentary elections. The proposed new system is called the ‘Alternative Vote’ (AV). If the referendum on AV were held tomorrow, how would you vote? (3) At present, the UK uses the ‘first past the post’ system to elect MPs to the House of Commons. Should the ‘alternative vote’ system be used instead?
Angus Reid: (1) As you may know, a referendum will take place in on 5 May 2011 in the United Kingdom. The referendum question reads as follows: “At present, the UK uses the 'first past the post' system to elect MPs to the House of Commons. Should the 'alternative vote' system be used instead?
ComRes: (1) At present, the UK uses the “first past the post” system to elect MPs to the House of Commons.

Should the “alternative vote” system be used instead?