Here’s a great comparison and calculator for microISVs checking out various payment processors.

What do your customers want? Here’s a developer-friendly list of some of the more common human motivations – which motivations does your product or service connect with? (none is a bad answer)

13 basic things your microISV web site should be doing.

Which would you prefer: angry customers who can’t find your site or a friendly email letting you know your site’s down? From the makers of Mojo Helpdesk.

Another great find by a BOS’er – see what your site looks like on 15 different browsers. The free service is a little slow (premium is faster), but gets the job done.

Stu Nicholls is a CSS nut, but he’s my kind of nut. If you’re looking for pre-tested CSS and javascript widgets, go here first.

Evan Williams, the founder of Blogger and Twitter, has 11 rules for startups/microISVs that you really, really should read.