I'm just a commercial producer, so this may not be up your alley, but I've used Waukaru Gold Mine 2109 enough, and for enough years, that I'm comfortable putting him in almost ANY heifer of any breed. Certainly, if they're reasonably well grown-out, he's no riskier than most Angus sires we've used - those Gold Mines come long and slender - but they grow well, and I'm liking the Gold Mine daughters (out of Angus cows) more and more as they get some age on them... may not have quite the growth of some of the other SH sires we've used, but they are doing their job well - and look better to my eye than some others while they're doing it.