Hats off indeed, but when I went to Steelcase a couple of weeks ago on a Saturday to purchase new Hakka 2s and have them installed on my car, they failed to tighten the bolts properly for the front passenger side (I was watching too, and I didn't notice). The vibration only became noticeable at highway speeds (90km/h+). At first I thought it was a balancing problem.
I tried going back, but it was already past 3pm on a Saturday, and they had just closed up shop and left. Admittedly, I was one of the last people there that day. When I got home, I realized the problem and tightened the tire, but there was still vibration.
I needed my car for the week, so I ended up going to Canadian Tire on Sunday (they were the only ones open) to get the Hakka 2s re-balanced and re-installed. They're fine now.
I like the tires, the price was decent, and the service at Steelcase was great, but given my experience, I think next time I'll buy my tires cash-and-carry.