Thought I'd share my Diana Rigg collection, hope you enjoy!
The Complete Emma Peel Avengers MegaSet 1965-1967, DVD
On Her Majesty's Secret Service, 1969 VHS (also have the blu-ray in the James Bond 50 collection)
The Hospital, 1971, DVD, starring George C. Scott, co-starring Diana Rigg. (some film critics felt Scott should have won the Oscar for this instead of Patton)
Evil Under the Sun, 1982, DVD, excellent cast, Peter Ustinov, Diana Rigg, James Mason, Maggie Smith, Roddy McDowall