An honest attempt to be non-hackish.
Robert Gascoyne-Cecil -
Who?Arthur Balfour - 5/10
Henry Campbell-Bannerman - 6/10
Herbert Asquith - 6.5/10
David Lloyd George - 8.5/10
Andrew Bonar Law - 5/10
Stanley Baldwin - 7/10
Ramsay MacDonald - 3/10
Neville Chamberlain - 6/10
Winston Churchill - 9.5/10
Clement Attlee - 9/10
Anthony Eden - 2/10
Harold Macmillan - 8/10
Alec Douglas-Home - 5/10
Harold Wilson - 7.5/10
Edward Heath - 3/10
James Callaghan - 3/10
Margaret Thatcher - 9/10
John Major - 6.5/10
Tony Blair - 8/10
Gordon Brown - 3/10
David Cameron - 7/10