Nisus Software today announced the release of Nisus Writer Express 1.0.3, the latest version of the company’s Mac OS X word processor. Version 1.0.3 ensures compatibility for Mac OS X 10.3 (Panther). In addition to the release, Nisus announced that it is having a three-day sale. From October 24-26 you can purchase Nisus Writer Express for US$49.95 — $10.00 off the regular price of $59.95. A 30-day demo is also available.