The big question is whether the RX100 III's extra features are worth a few hundred more dollars than its predecessors, which are now its main competitors. It really depends on your shooting style and your video needs.
Pound for pound, the best pocket camera available now; Outstanding photo and video quality for its size; The ultimate blend of features for any level of photographer; The only pocket camera with an electronic eye-level viewfinder
Costs as much as a DSLR; Tighter zoom range stops short of ultimate portrait territory; A step back in battery life as compared to previous models; Needs a certain storage card to use its best video mode