Sharman Joshi, who will reunite with 'Rang De Basanti' co-star Aamir Khan in Rajkumar Hirani's upcoming venture 'Three Idiots', says working with the superstar "is purely a treat." "Working with Aamir all over again is truly a treat. He is a superb actor. We had a great time working in 'Rang De Basanti' and in this film we have kind of taken up from where we left off," Sharman told IANS in an interview. "We had lots of fun, on and off the sets of 'Three Idiots'. It's kind of a reunion since R. Madhavan who was with us in 'Rang De...' is also a part of the film," he added. The film, which is loosely based on Chetan Bhagat's bestseller "Five Point Someone", is being produced by Vidhu Vinod Chopra and stars Kareena Kapoor and Boman Irani also in pivotal roles. Sharman made his film debut in 1999 with 'Godmother', which had Shabana Azmi in the title role, and received rave reviews for hi...