I have to say that watching this movie was an amazing introduction into Bollywood! It easily made its way into my Top 10 favorite movies of all time, and as an indie filmmaker, my list of favorites is huge!
I hope that tells you something about the quality of the film - the performances, cinematography, script/storyline, editing, and score are almost flawless. This is one of those movies that made me laugh and cry more than once during the first and subsequent viewings. There's a reason why it has run for 800 consecutive weeks in India!
If you're looking at buying this movie, I'll assume you know how awesome it is and/or have read other reviews, so I'll just add a comment on the DVD itself.
I bought the one that said it had English subtitles, not knowing whether or not the original had any. I did not know at the time DDLJ is on Blu-Ray, or I would have just ordered that instead.
The video quality was acceptable, although I would have liked to see such a famous film remastered. The DVD menu is animated and cute. There is an option just to play the songs, which is nice, as sometimes that's enough to relive the experience without watching all three hours of it again.
The one problem I would note is that the subtitles disappear during the scene where she breaks her fast for the Karwa Chauth (right when they are putting the candles in the water). The titles do return a few minutes later, but I do wish that wasn't a problem.
The movie's great, though, so I have to give it five stars anyway. My love for it trumps any technical glitches.
But bottom line - if you like the movie enough to consider a purchase, just go ahead get it on Blu-Ray. That's what I'm going to do now. :)
[EDIT]
We did wind up buying the BluRay version, and I can't tell you how blown away I was by the difference in quality. You still have the occasional interlacing that you may notice at times, but the clarity of and the details you can see in the video are amazing, and the color pops with intensity! It's really, really a much better quality product than the regular DVD, and completely worth it if you love the movie.
My one complaint, I guess, is the quality of the bonus DVD that came with it. The special features are not BluRay - they are only standard definition DVD. And there are no subtitle options. True, they speak in English about half of the time, but I'd really like to know what they're saying for the rest of it, too. So if you get this one, buy it for the quality of the movie and not the bonus features.
Otherwise, I thought it was great, and I feel good about this purchase, even after having the other version already. It actually made me appreciate the BluRay more...