It arrived about a week ago. He rarely use it because of the UI and the broken shuffle mode. Hell, the plastic screen cover was still intact!
I launched TagScanner, renamed all track numbers with padding, reduced all art album down to 320x320, sorted the folder/files using DriveSort, checked the firmware, deleted all songs in internal memory, reset the settings, I then load my SD card, she is now working like a charm. Sound quality is good and it is well-tuned.
The only gripe that I have is the non gapless playback. To a certain degree, I felt that there is 'fade-in' like effect