Buddy, that depends a whole lot on which features you're specifically looking for.
Like if you want good audio quality, then its excellent at that price.
But if you're looking for a snazzy UI (like Ipod and all), then it just ain't there.
And as for the extremely positive reviews, you should look into those specific reviews for features that have been appreciated by that person and then decide whether your requirements are same or not.
Also, people may have massively different choices when it comes to audio, so you should first streamline what exactly you're looking for in your player, whether its out-and-out sound quality, UI or feature set for the price, etc.