I went a slightly different route and got an Apple TV+, it has breathed new life into an ‘old’ Sony TV. I don’t pay a subscription but do use all the catch up TV players. The Manhattan box sounds like a good substitution for Sky.
I had the first generation Apple TV box, I used it to cast from my phone to the tv. For all my apps, YouTube, Prime, Netflix etc I use a 4k Firestick.
Another reason not to go down the Freesat route, the satellites that provide it are coming to the end of their life, they’re due to be switched off in 2029.
Enyaq EV