One of the plugins I find really useful is wordpress’ comment thread plugin. It allows the blog owner to “nest” his/her reply to readers’ comments with ease. I used to log in to my WP account and edit the comments to add in my reply but that can be troublesome if you have a lot of comments coming from three blogs to manage.
So, this is the answer. This is proven and tested to be working on my three blogs. Here’s the source:
More blogging goodies, here.