Thanks CederJet. It appears Y introduced Onboard chefs in F from October 2011. Given that all the local, and senior staff I know at EY are ex GF, this is unsurprising!
I think EY's suite is more elegant, the f&B appears to be better by all accounts, and AUH First lounge looks rather impressive. I just discovered that they have daybeds! Looking forward to it, althought EY is taking F off AUH-CAI-AUH in January so my return will be in C for 3 hours...