Check this out!!

gkas wrote:
It's nothing more than a stick burner with a fan. There are lots of plans on the net. Wouldn't be hard to jury rig up a small cpu fan. The stove is made from cans. Total cost... a few dollars. Here's one, the Rocket Stove. Rocket Stove in Instructables.

I think the BioLite is neat because you can charge your cell phone with a wood fire. It has the built in generator.
Other than that, a rocket stove is a cheaper choice. JMO