I also like to sit on top of my scratchy post. One of my people unscrewed the top and put some fleece on it with padding, so it would be more comfy. I love it! Sometimes I'll even scratch on it upside down from the top. A bonus: right now there is some cool Halloween garland nearby to play with.
(Note: this scratcher is called the Ultimate Cat Scratcher, and it's great. Sturdy, tall, and durable.)