I dont know about a cloud streaming device but who knows.
I didnt get the Vita because the library wasnt sufficient enough of a reason for me to get it...and I made the right call as majority of the games I would have gotten was on other platforms or came out eventually aside from a handful (like Tales of Hearts R.
Now if it included a way to play PS1, PS2, PSP, PSVita, PS3, PS4 and PS5 games in a way I could see myself jumping into it but again the cloud streaming experience....I can see myself getting into it, just not so soon, at least not until technology gets a bit better and internet accessibility is better than it is now (which is way better than it was years ago).