Slav Inger wrote:

So, any suggestions on a
comfortable cushion that has decent thickness (I'm thinking about an
inch) and a small "footprint"? Surprisingly enough, I've never seen
something like this offered in any of the pilot supplies catalogs...

I sit on a boat seat cushion. It's about 2" thick. Also check sporting goods
shops that carry hunting supplies. I've seen a few nice cushions sold as
padding for deer stands. If you're in New Jersey, Efinger's Sporting Goods
in Bound Brook carries some.

George Patterson
The optimist feels that we live in the best of all possible worlds. The
pessimist is afraid that he's correct.
James Branch Cavel