I have shot first strings for 3 years now and I have had 0/Zero/nada problems with them. Scott is a great guy to deal with and I have used his premium sets and also his X-It wire and I love them both and will only use them. I have had many friend use just the basic hunting ones and they hold up just as good and are still amazing. My friend and I had tried a lot of string companies on AT and also just local people here in Wisconsin. (Nothing against anyone or a single company.) I just prefer First string. I have a 2010 Contender Elite that I put a set on the day I got it and tuned it up and I haven't touched them since other then fine tuning my DL. They stay set and don't move and I like to think that I shoot a lot. (Thats a year and a half ago) Serving is always tight and ordering time is awesome.
I'd like to note for any other companies, that I have nothing against them, but I just prefer First string.