Join Date: Jul 2005
Location: Seat 2A
Programs: AA EXP LT GLD 1MM, BA GLD, NH/UA*G, Hyatt GLB, Marr Tit LT PLT, IHG Dia, HH Dia, MGM NOIR, Hertz PC
Posts: 10,595
Depending on your connection times in DOH it would certainly be worth it to upgrade the connection flights, not with 1:30h though which would give you ~45 min at Al Mourjan.
If you can get the 787 or A380 do it, just to try it out on one leg.