I would like to be able to put avatars on the comments, probably through gravatar, which would also have the advantage of being able to recognise users through

I would like to be able to put avatars on the comments, probably through gravatar, which would also have the advantage of being able to recognise users through github I mentioned it in another comment but to be able to access a users site without having to go through the profile would be nicer, in fact the ability to view the whole profile without opening a new tab / following a link