Had Ray-Ban for a while. Way heavy and bend out of shape quickly. Got a pair of Oakley "New" Frogskins - their "cheap" range with gold iridium lenses, faultless apart from a pain to keep the lenses smear free. Perfect fit for headsets and enough wrap around to cut out any side glare and not look too poserish! I wear glasses, and not contacts so swapping eye wear in flight was a deciding factor (prescription lenses were extortionate). I also purchased them with an optician present to give advice on lense types etc. Whatever type you go for, I recommend that approach. No experience of other makes so can't comment. Might check out Serengetti's though. Anyone know presription lense costs?