Imbuements let people turn any random weapon into a weapon of fire or an explosive weapon or whatever. They're an excellent rules patch for a gap in the basic 4th edition rules.
I've been using them for a while in an online game, and I wanted to share my experiences and evaluations of them, along with asking other people who have been using them to share their experiences
http://noschoolgrognard.blogspot.com...ay-so-far.html