The GSP 500 offered a much nicer wire, its cloth wrapped, easily manageable, tangle and catch free, its perfect. Purchased a refurbished unit, in two months it no longer holds charge for more than a day, even in standby mode. It does roll up to pack easy, but dont leave it in your suitcase too long because it will get a funny shape to it. I buy a ton of stuff from Amazon and every once in a while I get something that I definitely would not have purchased if I saw it in person. Were the type to hold on to our tech long as poss, in spite of the ever emerging new versions. The outside of the case is smooth and without dimples. Great to use in cabinet to save space. The micro-pully lacing gives you total control over the snugness of the lower part of the boot, and the tongue, collar and upper are beautifully cushioned, making the entire boot amazingly comfortable. I still love them! This headset has a noise canceling mike, so when I use it on Audacity, I get a clean recording that I can use on my radio show, "What the Folk?!