I've been sleeping in a hammock for a few years now when kayak-camping, and seldom use a tent anymore.
Where I camp, in the Great Lakes region, it's often easier to find a suitable pair of trees than a patch of flat, smooth ground.
I'm planning to do a how-to article about hammock-camping, but so far have written only this ENO hammock review:
Recreational Kayak Paddle
Touring Kayak Paddles
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