We do not have plans for any new designs at present. We have eight models and it is all we can do to keep those in stock.
Acronym Dictionary? Don't you mean an AD?
How to be an effective moderator of a forum.
1. Visit subtopics regularly so you understand clearly what is on topic.
2. Show good faith and form by consulting before removing a post.
3. If too busy to show the courtesies above, Wikipedia needs you.
The longer length allows for a more diagonal sleeping position. For a wee bit more weight, those extra 8" can add a lot to comfort.