Reports are coming in, via the
Eurobricks Forums, that the 75191 Jedi Starfighter with Hyperspace Ring has been found at a single Smyths Toys shop in Liverpool. While this would seem that this has been put out early, this set has been officially released in branches of Toys "R" Us in Singapore and has
Brickfinder.net has posted a review of it already.
UPDATE: According to our smashing and nice great mates at
Brick Fanatics this set is actually an exclusive to Smyths Toys in the UK, breaking with the expectation that Toys "R" Us would carry this set as a global exclusive.