I liked the metal ring at the back that works as both a mini stand as well as a grip for your index finger (though I don't personally use that feature much myself).
The magnetic strip comes in very handy for my magnetic phone holder in my car, however I found that the glue that holds it in place is not very strong and comes off on my magnetic holder (nothing a bit of super glue didn't fix though).
I did like the cover for the camera as a protection from dust and dirt. Though I found I always forget to slide it open!
For this price, I'll be honest and say that I got mine for half the price on another website with free shipping, so shop around first.