As mentioned it has been spoken of recently.
To me the show is decent. As far as uniforms, guns, other props, battle depictions, yeah its pretty bad, but it was way better than most everything in those regards than anything that came before it depicting the CW (exempting some war scenes of Good, the Bad and the Ugly). Of course North and South does a bit better in "book 2" in those regards, but that came afterwards. As for the story itself in The Blue and the Gray I'd say its pretty good, not a bad story in anyway.
All and all I'd say its a decent film, and was a groundbreaker for CW filmmaking as it was the first use of CW reenactors in film, and I think the first large scale attempt to film the big battles of the war in America, (still the only one I know of that featured Vicksburg). Its easy for me to forgive this mini-series for some mistakes for a plethora of reasons. It was a completely different era, it was the end of one CW film era, and the beginning of another that still lasts to this day, whenever a CW movie filmed that is, which is rare. In short the mini-series itself is history now.
(On another note its easy to tell in the movie who was a reenactor and who was an off the street extra.)