The most popular appear to be the Barley Crusher, the Crankandstein and Monster Mill. If you Google any of those you'll get their website. If you run a search on this site you'll get several hits where people are discussing them.
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"I'm kind of toasted. But I looked at my watch and it's only 6:30 so I can't stop drinking yet." - Yooper's Bob "Brown eye finally recovered after the abuse it endured in Ptown last weekend, but it took almost a full week." - Paulie "no, he just doesn't speak 'stupid'. i, however, am fluent...." - motobrewer "... I'll go both ways." - Melana