I have seen lots of mixed reviews on it on various canoeing and backpacking forums. Here is one thread started just before it was released.
View topic - BioLite stove | Canadian Canoe Routes
I have been considering one myself for canoe trips, but doubt very much if it would make it into my trailer. I have only looked at them in the store here, but have not actually tried one myself.
That is the first I had seen of the grill though. That might make it more appealing for trailer use, though I already have a fantastic BBQ.