I've noticed that there is no downvoting allowed on comments on your own submissions. I think that's a good idea. I think downvoting is important. I'd like to s

I've noticed that there is no downvoting allowed on comments on your own submissions. I think that's a good idea. I think downvoting is important. I'd like to see when a comment has been downvoted. I also miss the karma points being shown. More indicators like that create a richer, more Minority Report feel for reading HN.