Many of the cables actually allowed me to get at least picture at 148hz which seems to be about the limit of my panel. Different cables granted different levels of stability as you also pointed out. However there was a few cables that either excelled in the refresh rate(153hz was my ceiling) and some that did not perform at what appeared to be the panels PAR level(one as bad as 112hz tops, 113hz BLANK). This indicates that yes many cables do seem to have a median level of quality that will only result in different levels of stability rather than any real world effect on refresh OC ceiling(which is why your comment was still relatively sound and why i tried to be a bit nicer than i normally am ) however some of those who get completely stuck at a low refresh or want to try to get just a bit higher can definitely use cables and timings together for their ventures benefit.
Re-seat the cable and don't worry about it unless it happens again.
Yes any PSU like plug should be fine. I have testing a LOT and size/length don't seem to have any real effect on the OC or function.
Edited by Spartan F8 - 9/21/13 at 10:21am