So in the same week as HTC revealed the HTC One, the news Juggernaut had now moved onto the next big step by Samsung. The good folks over at MobileFun have images of cases for the yet to be seen handset. The images show a more rectangular style than is used on the S3.
As you can see the camera lens has a what will be a flash and a speaker either side. Expect more and more leaks from now until the announcement on March 14th.