comments

Styling Blog Comments: Correct Markup and Free Examples – Templatica

These comment style examples are a great starting point!
Quick Case Study: Finding Good Blogs To Comment On » Net Business Blog

I like the documentary approach to this post, and it seems like it would be a good way to do a similar tutorial.
5 More Principles For Picking Blogs To Comment On » Net Business Blog

Some useful observations about commenting for link juice as well as attracting attention.
Antispam Collateral Condolences [ Tempus Fugit | TxFx.net ]

This seems like a good way to keep real comments from being relegated to the bowels of Akismet (well, they may still go there but you can figure out how to get them back).