I have a Stihl with a brushcutter blade (I think it's the 450, it's up in the country) and have found it great for clearing brush and saplings of which I have a ton. It's been especially useful on the slopes around my (now empty) pond which had become very overgrown since the dam failed years ago.
By brushcutter blade I mean the kind that has many small blades on it like a table saw blade, not the ones that has three big blades. They sell them at the Stihl dealors I go to.