Seth Godin points to this really good article on writing copy. There are some really good points in here which I'll be trying to put into my own ranting, writing whatever you want to call it.
I've no idea if anyone is reading this but hopefully you are and will be kind or cruel enough to tell me whether I'm interesting or crap. Knowing either will be useful because how can I develop otherwise.
Anyway here's the link: How to say nothing with 500 words.