Other than 'Get Grace Out' which will always be legendary, I think Lisa BB9 had my favourite reception. Say what you want about her antics nowadays with the tabloids, but in the house I really enjoyed watching her and thought she deserved to win. Her and Sara's prisoner's dilemma task was one of my favourite BB moments of all time and I remember being gutted when she left.
Her reception was great though, a real feel good moment and you could tell she was genuinely so pleased to get cheers.