If you don't use the caps lock, you can easily change it to be another Ctrl key. It's perfectly positioned for regular use, and how often do you really use the caps lock key?

It's great for any application where you use keyboard shortcuts.

That isn't the same. He carefully applies pressure to one side of the robot, and the robot starts walking in that direction.

Possibility to delete comments and submissions.

you can now delete a comment if it has no children by editing it blank

Now submissions and comments have a delete button, and you can delete comments even if they have children.

There should be a page which lists the submissions that have recently been commented on. Otherwise, it's essentially meaningless to make thoughtful comments on old threads. Having a *hide* option would be welcome too.

there is a prototype of this at news.ycombinator.com/active

That works well. A listing of the most active is better than a listing of recently commented on. What's the threshold for most active?

I like the idea of a wiki. After interesting discussions it would be possible to clean it up and store it in an accessible format.