There was an interesting letter among the AFM Feedback this month from an anonymous person, but obiviously from someone in the RAF close to the Typhoons.
He claims there was a one-on-one fight between RAF Typhoon and Indian Air Force Su-30MKI, during the latter's deployment to the UK even though the UK MoD has been stating it would not put its Typhoon up against the Flanker. From first-hand experience he tells that two inexperienced Typhoon pilots returned with big grins on their faces, after having 'toasted' the Su-30MKI. He says the Typhoon was too nimble and too powerful, and added that the Typhoons were not 'clean' either. He also says there's HUD video to back it up, but the MoD will probably not acknowledge it.
I suppose this is a good 'leak' for the RAF and Eurofighter, with so many people doubting the Typhoon's ability to hold its own against the 4+ generation Flanker. In my mind, there's never been a doubt about the Typhoon abilities and I've always thought the Su-30MKI had been overestimated. It's a 3rd generation design developed into a two-seat derivative for combat training and then developed into an interceptor controller, before going on to become the multi-role platform. It's very heavy! Thrust vectoring helps it to still do amazing things at low speed, but that doesn't mean it can beat a lighter, extremely unstable, delta-canard configured 4th generation fighter. But I guess this puts a lot of people's mind at ease.
Interestingly, the person also revealed some unofficial inside information of the Typhoon's performance against the F-22. It wasn't able to detect the F-22, but its self defence suite did detect it being 'painted' by the F-22. The Typhoon handled the Raptor in close one-on-one combat as it did with the Su-30MKI. As he puts it "The F-22s could not 'handle' the Typhoon close in and the Yanks were shocked!" Again a fairly obvious outcome, the F-22 has had to sacrifice performance for stealth. You can't have it all. Luckily both are on the same side, otherwise the Typhoon operator would have quite a headache thinking about how to detect and creep up on the F-22. As the F-22 would have worrying about avoiding close-in fights, although that thought would not to be new.