maybe middleburns are common as u put it, for a reason. they're strong/reliable cranks (not just for trials but all bike disciplines), and i would say that those peeps slagging of square taper, obviously have been riding for 2 days an just follow the crowd, lol. isis/square taper both have good an bad points, you cant really say ones better than the other (atleast not at the moment) no offence to those who been riding years, just bugs me when u get these kids that follow the crowd an say crap like, i want such an such because so an so has got 1