I think we will see Vegas before LAX
Vegas is ripe for the taking if BHX plays its cards right.
TCX have recently started a programme whereby they invite bids from airports for a W pattern route, and will select 2 European routes out of those bids.
Therefore BHX could bid for BHX-LAS, and if successful, TCX would then run something like MAN-LAS-BHX-LAS-MAN.
There will obviously be a lot of competition, and if the recent travel trade show is anything to go by, it seems DUB has won the first slot for a Cancun flight.