Awhile back Galley FM suggested there was a plan in the works for a few of the new deliveries to feature only one shower spa (possibly even none!) in F, reducing the tanks/weight required and using those a/c on routes where the demand for the showers is low. Probably nothing to it but you never know!
When is the stretched version of the 380 due? After all this is only the first one... Iver, we had a couple AB guys (as pax) onboard recently who said the next lot would definitely be capable of doing those flights full...