DISQUS is an alternate comment and discussion system for Wordpress , Blogger ,Typepad and other related services . Look at the following screenshot . It looks really professional than default Blogger comment system.
Join DISQUS here . After registration they will ask you to upload your Blogger template. upload and then download the DISQUSed Blogger template . After installation , your comments would appear as shown above .You can manage and moderate,backup your comments in DISQUS control panel .DISQUS also supports a universal avatar that can be set from control panel .
Intensedebate :
Intensedebate is another alternate Blogger comment system similar to DISQUS , but better than them in features . Intensedebate is an Automattic(Those guys behind Wordpress) joint venture . So this comment system includes many Wordpress features like Gravatar and Akismet spam protection . Intensedebate installation is almost similar to DISQUS. upload the template and then download the widgetized version .
Join Intensedebate here .You can enable Akismet and Gravatar from Intensedebate control panel . They also support export ,import and backup of Blogger comments . Comment moderation is possible and you can even replay to comments by email .
