I have been looking at getting some new jazz pickups and from mainly what i have read on here i have wittled it down to wizards,but which ones? So the 3 they sell are: 64's 84's and thumpers,the description on their website is a little vague (dark sound etc,i really dont know what that means!)so im hoping to use your actual experience to clarify the difference in sounds between them,and possibly even some sound clips to get a comparison? also im quite intrigued by their "74's" i know these ar