For me the ideal cobination is Ian Chappell and Imran Khan, I heard them together in WC99 I think? I like Ian Chappell and Richie Beanud combination as well, Richie is very insightful and is never wrong about anything.
Bob Woolmer was very good too.
People dont seem to appreciate Sunny much, but I like him quite a lot, he has original ideas, not right all the time though, but still interesting. The only time when Sunny gets a little annoying is when Sachin is batting. Harsha, Bill Lawry are both good and extremely likeable, neutral. David Gower also.
Henry Blofeld was a bit voer the top and had no idea about cricket itself, but still quite funny at times and entertaining.
I despise Siddhu, to a lesser extent Shastri and Ramiz, and most of the English gang, Botham, Willis, Jackman, etc.