Saturn Games are harder to emulate for most people
This is false at this point. You have SSF and Mednafen(And it's various branches) that can play the game flawlessly at this point. You also have Yabause and it's branches which while not as good as the previous two, should be able to play Megaman 8 fine.
and some (including myself), prefer the PS1 version.
So then why are you begging for Saturn Content to be ported over?
The PS1 sound font is better anyway; the Saturn version sounds compressed.
The Saturn can't play back compressed PCM Samples, they have to be decompressed. As a result the quality usually gets lowered so they fit in Audio RAM. Sometimes FM Synth instruments get used as well to save memory. The PS1 cannot do the latter part as it has no FM Synth capabilities at all. If MM8 is using that on the Saturn then that would require sampling the individual FM Synth instruments from a Saturn which isn't really easy to do.
To further highlight this, here's an example from Sakura Wars. On Dreamcast the battle theme sounds like this:https://www.youtube.com/watch?v=r8zsHF_2nr8
On Saturn it sounds like this:https://www.youtube.com/watch?v=UBZpqti7Z2w
While the Dreamcast has better quality PCM Instruments, notice how it sounds a bit sterile and flat compared to the Saturn version. This is because the Saturn version is using additional FM Synth instruments to back up the PCM which adds more depth to the overall sound of the song.
PS1 roms are also easier to find online and would therefore make the patching easier for those new to romhacking.
You can find Saturn ISOs on the very same sites you find PS1 ISOs on. Not to mention the entire set of redump rips is on archive.org.
Besides, it seems more impressive to those not in the know about a hack if the hacker was able to change things like music, as music is just as important as gameplay in any video game in regards to contributing to atmosphere, similar to how bad American voice acting contributes to a cheesy localization.
This is a silly argument. Wouldn't it just be as impressive to hack the Saturn version since as you seem to believe the Saturn is more difficult to deal with?