One of my favorite sites, actually. The good thing about it is that there's a lot of music scores of RARE arrangements to be found. Also, I think its prices are one of the cheapest compared to other distributors. All in all, much recommended.
I'm a musician but my level is not as high as I wish yet. That's why I spend a lot of time practicing playing piano. I get a lot of educational score here at MusicaNeo, it's nice that there are different level scores so that you can keep going a level up all the time. Also, there is a lot for free, which a great bonus.