The Atomic hybrid I ordered for comparison purposes (reception-wise, fit/finish, etc) came in earlier today. Give me a day or so to test it out fully, and I'll post my complete findings and thoughts it compared to the e13ctron hybrid. Initially, I can tell you that they are both virtually identical as far as reception goes (both are within 1 dB of each other everywhere I've been so far), and it's pretty widely recognized that the Atomic hybrid has been the best performing aluminum/hybrid case on the market thus far (as far as wireless reception is concerned). So for those of you possibly considering the Atomic hybrid because of it's lack of reception interference, the e13ctron hybrid is going to give you another option. One thing that I am noticing with the Atomic hybrid so far is that the signal has sporadic negative dips. Not predictable, and not for more than a few seconds, but it will occasionally take a hard dive in reception. So far the biggest dip I've seen it have has been from -83dB down to -99dB, sitting still in an area that is always -80dB to -82dB without a case. Now that may have something to do with AT&T possibly working on a tower in the area, or could be weather related (we've had some harsh weather locally lately), but I've never noticed a dip like that with the e13ctron before, even today, and it was installed on my phone right up until I changed out and installed the Atomic. But I'll give that another day or so to see if it continues.