Went to Schmidt's Sausage Haus following an OSU with some local friends (we were out-of-towners, up there to support the opposing team). Thought maybe it was a "touristy" place and that only the opposing fans would be in there, but we arrived and found the place full of OSU fans. We took that as a positive sign since we figured the locals would know where the good food could be found.
There was about an hour wait but we didn't mind, both because we were prepared for a long wait and were ready to relax and down some good brew. Slid up to the bar and enjoyed some great Oktoberfest beer and talked football with the other fans while we were waiting. Staff and OSU fans all very friendly.
The buffet was yummy. Not sure it was the absolutely best german food I've had (I think if you've been to Jacob Wirth in Boston, you might find it just a little bland), but it was VERY enjoyable and it's nice not to have to choose just one or two sides. Most German restaurants have a sausage combo plate, but you usually have to make choices on the sides. If you don't get German food all that often, it's hard not to want a taste of three or four sides. The buffet had at least three kinds of sausage, fried chicken, mashed potatoes, German potato salad, sauerkraut, red cabbage, green beans with spaetzle and much more... and everything was very good. We finished up, of course, with those cream puffs that are the size of Volkswagens. Friendly servers.
Highly recommend this place, but go with the assumption that you will need to wait a while for a table.