Dofollow blog comments to encourage commenting and subscriptions?

[Choice]

We publish really solid content on our blog, but are having trouble acquiring comments and subscribers due to the dull nature of our industry.  So we are considering dofollowing blog comments as incentive.  Of course, the comment will be moderated.  Do you think this is a good idea?

[AgentsofValue]

It's an interesting idea.  There's a very popular blog in the SEO industry that is 'do follow'.  He is very interactive and the comments there are generally good.

Here are some considerations:

• outside of the SEO industry, how many people really understand the difference of 'do follow' vs 'no follow'.  If you're topic is something niche and very technical, the fact that it's 'do follow' may potentially have 0 impact on the type of person that you really want to have leave feedback.

• be prepared to be a firm moderator for the comments.  I think you'll often find yourself on the fence you'll see a comment with marginal value.  I would try to set the bar higher on which comments you approve.

• Facebook comments might be useful.  Since Facebook comments show up on a users wall, and can generally be viewed by friends who might be in the same industry, it might be a good way of generating more discussions.  We've used Facebook comments for a few sites, and have had very little problem at all with spam comments.  The downside with Facebook comments is that the content is stored on Facebook rather than your own blog (though there are some plugins that attempt to address this by download the comments to the blog).

• The SEOMoz profile system is kind of cool.  Once a user has generated enough 'points' - their profile link becomes followed.  I sometimes wish there was a similar system for blog comments.  Maybe there is?