Yep it actually looks good. 99% of time super hero movies suck, but this looks like it's on the right track, more than any other super hero movie.
edit: I agree they'll never make the right Harley. It's bull she wouldn't work in this movie, she would, but you'd need one heck of a good actress to pull it off. Of course she'd have to be more violent, but if they got the voice and demeanor right it would be great. For example when she does the shotgun move, she could have done it loudly and more expressively. It's just little details, doesn't have to be exactly like in the animated series. Plus it would work nicely with Leto's Joker. From what we saw, she just looks like a girl from Spring Break. We'll see though.