I was wondering if anyone has tried these strings and wanted their opinion on them. They do have feedback, but not enough for me. They are co-poly and stated that it would have better durability. But for how long? 10 hours? I wanted to try a poly because I'm developing into a better player around 4.0-4.5 but I don't want to keep breaking the strings and restringing them every 7-8 hours of playing.