tbh, I hope we'll eventually see a Dreamcast lighting mod for SA2 PC, but I don't know how likely it'd be since it doesn't look AS bad as SADX PC.
Yeah - SA2 PC isn’t nearly as bad as the mess SADX turned into. There’s still a lot of things that suck about it though.
Stage-wise, Most of SA2 PC′s problems are the same missing object shaders from the original SA2B port. In some cases, they work around this (Like Sonic in City Escape, notice how dark Sonic he is when he uses his low-detail models) but glowing Omochao are still a pretty common sight in the ports.
Eggman’s stages in particular suffer horribly in general though: