Finished the Saturn version. Overall, I was very dissatisfied with the port. The extra content really doesn't make up for the buggy, sloppy mess that is the presentation. I was able to generally forgive a lot of the graphical changes, but for some reason the one that set me off was:
I was almost shaking with rage by the time I reached the top.
It's novel to have the original Suikoden on the Saturn, I just wish it had been more competently ported. (They must have been working on the game during the cold winter months in Sapporo. As a result, they were shivering too much to code everything properly. At least, that's what I hope happened.) As it is, it's probably not really worth playing over the PS1 version. So very sad.
Otherwise, I still love Suikoden. Sure, II and III are probably substantially better games, but the first one is very near and dear to me. I'll always put it with an asterisk below II and III.