B.Enclave? G-15? F-15? B-17? G-14/3? Gulberg Isamabad? I-14 & I-16? G-16? F-17?
G-14/3 enclave F-15(specific area) F-16/4 G-15/16 B-17 F-17 I-14
Cant rank gulberg in this series as i don't have much information of that sector.
From that list I would say that perhaps I-16 has a lot of potential particularly if some more housebuilding takes place there.