What is the best intro to QM? I was settled on Griffiths, but it seems there are only two kinds of people in this world, those who recommenced Griffiths, and those who strongly don't recommended it. I'll give a bit of background, so I can get the best possible recommendations. I'm still in the process of learning intermediate classical mechanics (Taylor along side with Morin), and I'm also in the middle of Griffiths's Intro to EM. I've done some linear algebra in the past, enough to the point where I think I should be alright with the math in any undergrad QM text. Many of the complaints with Griffiths is that he's too casual, too sloppy and the text doesn't really prepare you adequately for the next level graduate text. Those who recommend him say that it's clear, "exciting", and generally very good for self-study. I've also seen a lot of people recommending Dirac, which seems odd, wasn't it written back when dinosaurs walked the earth?! Griffiths has the most reviews, and the majority are positive, so I'll probably end up going with that, but I'm interested in hearing the opinions of others.