Most likely it is just a normal Switch with some improvements like longer battery life, a slightly better CPU and improved joy-cons that no longer have the drift problem.
Second most likely is a digital only Switch with a bigger hard drive and improved interface for people who want to go the digital only route.
curl-6 bet me that PS5 + X|S sales would reach 56m before year end 2023 and he was right.
My Bet With curl-6
My Threads:
Master Thread, Game of the Year/Decade
Switch Will Be #1 All Time
Zelda Will Outsell Mario (Achieved)
How Much Will MH Rise sell?
My Bet With Metallox