Recently googled this a lot and will probably go for ABUS, they seem to make very good helmets at a decent price. Particularly the Airbreaker, where I live it is quite a bit cheaper than its competitors (maybe because its a German company), it is quite light, especially for a more aero helmet and has a lot of ventilation.
I can echo the comments on Specialized, according to my research they make top quality helmets, I just dismissed them as they are too expensive, at least here.