The absolute best cases are the cases that are hybrids, silicone inner, and hard plastic outer. at least for protection wise. the soft silicone protects the phone from bumps and shocks, while the plastic still gives it a hard shell that will dissipate the force of a drop.
With that mentioned, the negatives to these cases is that they add a bit of bulk to the phone.
Which, to me, I dont drop many things so Id rather have my phone stay small and sleek. Which is why I have decided to use TPU cases. While still keeping the case small, and still having some shock absorption like a silicone case, but without the flex and tackiness.
I have tried a few cases off ebay now, and the TPU ones are definitely my favorite so far. The last two cases i tried were the "S line"case and another tpu case that has a big X on the back made from negative space. As far as quality goes, the S line case wasnt that great. but the other one, the X case, which is the one I'm using now, I really love it. It is well made, smooth edges everywhere, and since it is a clear grey color the details of the phone still show through it, unlike many other cases that completely block off all details. and for $3 shipped, I wont be complaining!
I like to modify my body, my car, and now my phone