HMG has mentioned nothing about storage. Ark Royal will be scrapped or sold. Either Illustrious or Ocean will run on as a helicopter carrier with the latter coming out of refit soon and the latter in need of one.
Choices? Well HMG could store some Harriers "just in case" and run on Illustrious but cancelling Oceans sceduled refit would cause employment issues at Devonport. My guess is this will go ahead with Illustrious taken out of service just as soon as Ocean is available again.
We then hope that PM Cameron is right and that we can do without a fixed wing capability at sea until the new carrier(s) arrive.