For the '97 release, you can try out the G'Kar releases, which are sourced from digital broadcast tapes so they're pretty high quality (though DVD compression causes some artifacts.) You could also try out Lee Thorogood's preservation of the PAL laserdiscs which have the added feature of great 5.1 audio tracks.

If you're limited to NTSC, then you could get one of the older laserdisc preservations. However, I would recommend holding out for Dark Jedi's V2 of the 1997 SE which has the digital broadcast video combined with 5.1 audio.