I have to say that I love the e series. They do not have the SQ that my current equipment has, but there was always something about it that I liked. Maybe it's just because it was my first DAP.
I am actually considering buying one again to keep in my car (to connect to car stereo), because it's cheap, very durable and the SQ will not really matter when plugged into the car.
To me it's also the ultimate bang around DAP with its metal back, microSD compatibility and user replaceable battery for the very low price you can have it for right now.