Help with iPhone 4s Case

[WayneBarrow]

I have just got a new iPhone 4s and I am looking at cases, not sure wether to get a hard case or a silicone one? I like the look of this one as its the same as the back of the iPhone, but not sure if I should get the plastic?

http://www.ebay.co.uk/itm/300835376115?_trksid=p5197.c0.m619