Counter questions: If a version of Road Rash 3 from the Genesis or 3DO RR had been ported to the Jag 20 years ago, and was as good or better than either of those games, would you get a copy of it for the Jag? And if so, then since you recently got a Jag and it's all kind of new to you, what difference would it make if that game was made for the Jag 20 years ago or recently? Would your answer be different if you have the other systems and versions or not?
I first saw RR on PS1 and thought the music and still artwork were excellent, but the game never really won me over.
In recent times I tried the Genny, SMS, and 3DO version and my opinion about the actual game didn't change ... so there's that.
Wrt modern efforts to port games to old consoles I am not personally interested, in my quest I wanted to see what was available at the time the console was sold, nothing else. I understand some people are interested but it is just not my cup of tea, there's so many games already as it is.
So no I would not buy a modern port/game, if the game had been made back then I would consider it, I did buy 20 Jag games as there's no flashcart for it, not sure I enjoy more than 6 or 7 out of that.