I just wanted to update you all about some nice hacks that are available in the neighborhood. Vivek has written about how to add background colors to your comments. This one builds upon my author comment highlighting hack. If you are somebody who gets excited about using colors, this is a great way to improve your blog's visual impact.
John Figth has managed to convert Rounders 3 template to 3 columns. He has written a descriptive post on what changes he did. If you are interested in this, try it out and ask him if you have any doubts. Here's the blog where he uses this new template.
And, Volker has created a Feeds page where he displays the latest posts from all the various Blogger hack blogs. One page, too many hacks!