Any reason as a DL customer, booking through Delta to pick the 9W or KL product for economy travel on AMS to DEL? I'm an American Express Platinum cardholder so I will have that lounge access option. In DEL I'll be connecting to a DEL to AMD flight booked in a separate itinerary (Delta can supposedly only book Y class on that leg on T9 and only by phone) on either T9 or AI if that would influence your recommendation.

The IFE is not a priority. Having power available at the seat in AC or USB form is important as is comfort and food quality.

What would you recommend?