I've seen it... more than once... have no idea how to rate it!
There have been really, really few films that have made it absolutely impossible for me to settle on a rating but Potemkin is one of them (A distinction it shares with Funny Games U.S, Eraserhead and Hausu). It's not that I think it's bad, it's not that I think it's good either. I just can't form an opinion because I lack a frame of reference. I didn't experience the cold war, I didn't experience life under a monarch, I didn't experience a revolution... but I did witness the fall of communism and I did see what a glorious and utter failure it was.
But that doesn't really matter as the actual quality of the film goes now, does it? But then it's the culture at the time of release. What other films were being show in the USSR at the time, what progress had been made in filmmaking in that part of the world? Is the historical importance of Potemkin overrated or justified? I haven't seen a single other film from the USSR (or just anywhere else than USA for that matter) from that time period, so I just don't know enough about that either!
I'm left with the only measure of judgement available in this case and that is, how did the film strike me personally, just on an individual, out of context with everything except myself and own experience level? I'm really not sure either! I certainly didn't love it. But that's probably because I've been spoiled by the advances of the medium made since its release, so that's hardly fair. In all honesty the whole experience was just kind of underwhelming, like some ritual I had to go through without actually thinking much of whether I liked it or not.
I could just listen to the film historians and people "in the know" and give it a 10 but then I wouldn't really be honest. I could give it a 3 or a 4 based on my personal enjoyment of it, or I could give it a 7 or an 8 based on what I do perceive as groundbreaking film-making technique. I think I'll settle for a 7 for now but please give me suggestions about how to get a better context and mindset to view this film.