Yes, B77W have flat beds in J with an incredibly generous 2x2x2 layout, complete with the latest refinements in IFE (AVOD of course).
http://qatarairways.com/global/en/se...emo/index.html
This link takes you to a Qatar Airways minisite which shows you through the B77W & it's interiors.
I don't think you get PJs or a turn down service.
Food it beyond restaurant quality! Individual bread baskets!