Stereo Head Unit Replacement

[greekfreek]

I'm looking to replace my POS Jensen stereo. Any opinions on these units?? Kenwood KMR350U and MB Quart WR1USB
http://www.crutchfield.com/p_113KMR350U/Kenwood-KMR-350U.html?tp=1721

http://www.ebay.com/itm/320915851654?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649