I've modified the comment box. Previously as with the original Blogger template, you'll have to click on the comment link which will take you to the comments page. From thereon you post your comment.
The original pop-out comment window looks like this:
The newly modified comment box, which by default appears right below a blog posting looks like this:
Also checkout the new drop-down box (circled above) where you can select where your ID is registered- Google, Wordpress, etc. On how to do this, please go here.