Redlining print-outs of Photoshop, Illustrator, and Fireworks docs (specifying exact pixel dimensions, etc.) isn’t anyone’s idea of fun, yet I still see it done frequently. Specctr is plug-in that streamlines the process, adding a margin around your artwork & automatically writing out object dimensions. Check it out:
[YouTube] [Via Jeff Tranberry]
Tried it and it’s quite buggy. I suggest a great alternative: http://www.wuwacorp.com