[snailb]

Here is a cheap alternative:

I bought a $300 chair off amazon, that actually isn't comfortable. The trick was to buy a seat cushion with memory foam. This made the experience 100% better.

[zerr]

Aren't you sweating on a memory foam?

[snailb]

No you don't. Depending on the quality of the memory foam. It's very comfy.

[bradybunch]

It's an alternative. But not cheap!