eBay seller of MIMC from HK...LEGIT?

i found that this particular eBay seller has the BEST prices on the MIMC set of Casio Gshocks ... my question is ...

1. has anyone here dealt with this seller before?

2. photos are all stock photos, cant tell if items are AUTHENTIC CASIO

i will provide links to the items i am interested in, please advise if these would be good purchases or not?

THANK YOU

Mudman
http://www.ebay.com/itm/130765365460?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Gulfman
http://www.ebay.com/itm/400320866802?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Frogman
http://www.ebay.com/itm/130771167220?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Riseman
http://www.ebay.com/itm/120987687861?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Looking at how many items they have sold with over 6600 feedback for the last year with only 60 negative and 58 neutral I would take a chance on him.

Stu.