There are plenty of high quality indie games that don't require the latest hardware and have no mtx. If you want to move away from consoles, you could even look at something like a Steam Deck or similar for a pre-configured ready to go system.
I can't suggest which one to get since we don't know enough about Switch 2 and it's all entirely dependent on your personal situation, but I will post this:
There are plenty of good games to play on Switch right now
Switch 2, like all consoles, will take time to build a significant games offering
According to the article, we don't know yet if Switch 2 will be backwards compatible or not