To celebrate the 500th mix, radio1 have put together a list of the "top 10" of all time...
30th October 1993: 1st show, Pete Tong studio session.
18th December 1994: Paul Oakenfold Goa show.
28th July 1996: First live Ibiza show – Danny Rampling, Sasha, Pete Tong.
2nd March 1997: Daft Punk studio session.
15th June 1997: David Holmes Funk & Soul mix.
2nd May 1998: Pete Tong, Sasha and Paul Oakenfold at 1st Creamfields.
31st December 1999: Carl Cox Millennium Eve.
22nd May 2005: Sasha Maida Vale.
29th November 2008: Flying Lotus
17th January 2009: Greg Wilson
Some interesting choices in there, will have to have listen to the ones i havent. Then theres what i'd have....