Hennessy Hammocks are okay but some of the other cottage vendors do make much better hammocks. Warbonnet and Dream Hammock allow you to customize the material. Also look at Dutchware's hammocks if you're not wanting to spend too much.

One thing I'd stay away from on the Hennessy side is their tarps. They do have some good ones but some of them are like thong bikinis on guys. You end up praying it has enough coverage and even then you look damn silly.

I have a double layer 11' Dream Hammock Sparrow and it's incredibly comfortable. It's *not* ultralight though. I mean, it's about equal or less than a tent so it could be worse...