The helmet bumps have infra red LED's so the Typhoons avionics can figure out which way the pilot is looking, this allows the pilot to identify possible targets without pointing the aircraft at them.
seehttp://www.baesystems.com/enhancedartic ... oon-helmet
for a better explaination. I have on occasion seen RAF pilots in the loop wearing them.
High level of photography as well as competently flown aircraft.
Idle thought; some Arab hot head led countries probably wish Saudi would join in a future war against Israel.