http://ycombinator.com/ideas.html #22
then
http://news.ycombinator.com/item?id=429477 (Ask HN: What can't you do in Excel?)
then
http://news.ycombinator.com/item?id=897701 (Ask HN: who will buy PG's startup idea #22?)
I would love to work in this. In Lisp.