Here's a new article which focuses on how clients also need to impress freelancers:

http://madsenstudios.com/impressed-denver-composer-sound-designer-nathan-madsenstudios/

It's full of tips and examples which can serve both as a reminder to freelancers and helpful tips to clients as to what to avoid!

Hope it's helpful.

Nate

Great article! It's a really comprehensive overview of how to interact with clients, nice work

Thanks!