Originally Posted by TipsyDragon
my thoughts on the matter is a boil is a boil no matter how vigorous it is. the wort isn't going to get any hotter than boiling no matter how big you make the flame.
I couldn't disagree more.
Here's one article, there are many, many more that support a vigorous boil.
Here's a quote from another article."A vigorous boil is essential. A simmering boil produces a sub-quality brew and not very good tasting beer. Inadequate boiling techniques often result in sweet corn and sulfur-like/vegetal character."