The thing this place has going for it is selection. Tons and tons of used books/cds/dvds. I have very very rarely not found everything I was looking for unless the item was rare.
Price wise, I don't know. A lot of their stuff is pretty pricy, especially considering that some of it isn't the best condition for what you're paying. But at the same time, they have tons of really good deals. You can usually find something rare here for a ridiculously low price if they dont know what they have. Their bargin cd and dvd section is awesome.
This place is also often an absolute zoo. Parents let their children run around screaming and acting up. Not exactly the bookstore atmostphere.
Also, as others have mentioned, they have one of the worst, unfriendliest I have ever encountered. No, seriously. It's rare that you even receive a smile or a hello at the checkout, and if you don't know where to look for what you need, you're screwed as the staff won't help you at all.
Basically, this place is you get what you pay for.