For the record, GSC are 16-bit, not 8-bit. I know that's kinda nitpicky, but it's double the data size, so there's a pretty decent difference between them.

Left is 8-bit, right is 16-bit

Crystal was my first game, and I find that style to be pretty enjoyable. (I've even played some fangames that use it) But for the love of god, Game Freak, please include running shoes if you ever make a return.

The RBY style, on the other hand, I'm really not a fan of bringing back. (especially not the overworlds-I'm not a fan of monochrome) RBY were great steps forward at the time, and definitely a solid starting place for Pokemon, but not something I'd like to see brought back.