If you're flying from certain places in southern Europe, such as Geneva, Nice, Milan, etc., then you could hop on board a flight to the Middle East via Qatar Airways and fly on one of the very best business class products in the world (including the new «super business» product they will be unveiling soon). (uponarriving.com)
While Delta has a very good business class product called Delta One, there can be very compelling reasons to use SkyMiles on Delta's partner airlines instead due to availability or scheduling convenience. (rewardexpert.com)
Award availability became really outstanding when they put an Airbus A380 on the route, and the aircraft has a pretty good business class product as well. (viewfromthewing.boardingarea.com)