TrustedReviews have looked at the TrekStor vibez (12GB)

TrekStor’s vibez has a really easy-to-use interface and the wheel works as well as any iPod. There are plenty of features to play with, plus there’s wide file format support, superb sound quality and excellent bundled earbuds. If you don't need video playback and don't want to buy an iPod it's a worthy contender for a place on your shortlist

TrekStor vibez (12GB) Review