Congratulations on the RP10, it’s a fantastic deck, enjoy it. If something higher up the chain comes along, don’t worry about it... unless you can afford it easily and then fair enough. My LP12 was once flagship but is a fair way behind the current flagship spec... it’s still as good as it always was though and I’ve no compulsion (or funds for that matter) to upgrade it.
As soon as I heard about the Aphellion cartridge, I suspected that they were going to release a hyper deck. £3k is a lot of money to spend on a cartridge for a £3k deck so I can’t imagine there being a massive market for it unless they release a more expensive deck.