I wonder if something like a reading ring would be a good idea -- like the converse of a weblog ring, but instead of linking to the other blog you'd read and co

I wonder if something like a reading ring would be a good idea -- like the converse of a weblog ring, but instead of linking to the other blog you'd read and comment on a post they made, and in exchange someone else would read and comment on your posts. Might be a good way to get early readership and feedback.