if you want lightweight go for the gorilla. 10L on 16 won't give you better runtimes per say. And, if you do get the 3700, you can believe that i was the first to tell you they don't fit:D GA is strong, but costs twice as much, and doesn't offer a replacment warrenty.

does UE have a replacment policy??

30% off i think. Just look on their site man.