How come I am not able to comment on the site?

Thanks for your quick response. I would tend to think that if you limit comments, you should also limit the answering capacity. Or the other way round would be: if you allow answers, then probably you should also allow comments. If you need to block one, then answer seems more apropriate to me as it seems a "bigger" contribution than commenting.

One last thing: if you keep blocking comments, you should still leave the comment button visible, so people can click on it and get the "you need a karma of XX to be able to comment on this site" message. Otherwise they have no way to know I think.

I tend to agree with your proposition, still for the large sites there is a use case of limiting comments because they tend to be more often off-topic, but for the tiny sites you'll want to lower the barriers.

I get your point

Do you still have a lot of work to do on AskBot ? You aim to develop something as good as StackOverflow, or different ? Could you share with me the vision you have for the software ?

Can you post this as a separate question? I'll answer a bit later today.