Shades of Gray: Thoughs on Sketching by Will Evans is a worthwhile read to understand the role of sketches and wireframes in the software and web design process.

I use an A4/Letter size (or larger) sketch pad to illustrate interfaces and note down thoughts while brain storming interface and communication/interaction solutions before I start producing digitally created wire frames.

The link to the article is:

http://blog.semanticfoundry.com/2010/01/31/shades-of-gray-thoughts-on-sk...

What are Wireframes?

Wireframes are a document that: illustrates displayed informational content, illustrates the displayed interactive elements and describes (using annotations) the systematic responses of a website, product or application to end user input. Wireframes can be digitally produced on  a computer or sketched using pen and paper. >>> Read More

The reason I've started a ChipIn is because the computer in use right now to produce the wire frames and post on g.d.o freezes far more than I'm comfy with (pretty much the reason I keep dropping from IRC without actually quitting it and need to do about 10 edits for each post on g.d.o) To continue wire framing till the release of Drupal 7 is possible (there is a backup CPU and Motherboard just in case they fritz out, although without a new UPS the back ups would fritz out anyway.)

The current system I have is: >>> Read More