Meh, Henry should have had a penalty in the first leg, and Anelka should have been booked for diving rather than Abidal getting sent off.
Decisions like these are always going to happen. The bottom line is that Chelsea sat back and defended for 180 minutes rather than pressing home for the win. Barca were there for the taking, down to ten men, completely out of ideas, yet still Chelsea still showed little appetite to kill the game off. At 1-0, Barca were always still in with a chance, as Chelsea hadn't bothered to try and get an away goal of their own. Drogba was a disgrace during and after the game, yet he had the cheek to accuse the referee of cheating. If Ballack had got the ball and ran at the Barca defence with the same vigor he showed when chasing and mouthing off at the ref, they might be looking forward to a final.
Their entire team (with the exception of the excellent Essien) is devoid of any sort of class, and the absurd overreactions in the aftermath of the match exposed them for what they really are.