I personally don't care for the looks of OSB, so I went with drywall in my garage. But on the house garage, the garage walls were done with OSB and drywall on the ceiling. I painted it but it still looked like painted OSB, so I put drywall over it. It made it great. I have nice smooth walls, but I can still hang anything anywhere I want. The bad thing about doing that though is that you have to shim everything out to compensate for the added thickness.
But, if you go into the gallery and start looking, there are quite a few garage's that look great with OSB. One that always comes to mind is the garage of TheShrine. If I remember correctly, he ordered OSB that does not have printing on it, so that let him use the finished side of the OSB which is shiny and smooth. And of course, he used the OSB in conjunction with corrugated metal also. It made for a very nice setup. Go to the Gallery and do a search for TheShrine (one word) and check out his layout.