the shures are amazing,a massive tip would be get the new black foam tips they are worlds apart my shure se530 sound way better simply because of these,and burn in dont exist for balanced armatures,thats an absolute fact and thats an end to it,shure says it,ultimate ears has told me and just about every proffesional i have spoke to says it so no there was no burn in with the e500 clearly ur imagination,however wild it is,the super fi 5 have more bass,but the shure has cleaner bass by miles,making it hit harder and cleaner,the super fi's boom more,the super fi's have harsher highs,the shures absolutely get the highs bang on in my oppinion very well balanced,the mids are no contest the shures are about the best earphones on the market when it comes to amazing clean balanced mids,overall you can tell the winner,u pay more you get more,more drivers equal cleaner sound,unless the drivers are *****,in the case of the shures and ue's they aint