How many times have you read something on a blog that doesn't accept comments - or on a blog that regularly bans commenters - and wished you could respond?

Enter BigMediaBlog.com.

If you see a post at, say, Instapundit that you'd like to comment on, simply go to BigMediaBlog.com and enter your comments in that day's Instapundit comments entry.

Each day, BigMediaBlog.com posts open threads for the following:

• NYT
• WaPo
• LAT
• TV/cable
• Other MSM
• Other media
• DemocraticUnderground
• DailyKos
• National Review
• Instapundit
• Professor Bainbridge
• TalkingPointsMemo
• Kausfiles

The site will be live after about 10am Eastern today.