A review of the current literature on PowerPoint turns up two distinct camps: one critical of the software, and one willing to use and improve it.
PowerPoint Critics
PowerPoint According to Kairos News includes articles in the press with titles such as "Is PowerPoint the Devil?" and "PowerPointless."
"PowerPoint is Evil" by Edward Tufte and Tufte's book The Cognitive Style of PowerPoint.
"Death by PowerPoint" by Angela Garber reviews some common mistakes, incuding Data Dumping, The Slide Slave, The Handout Handoff, The Dimmer Dilemma.
"PowerPoint No, Cyberspace Yes" by Tom Creed
includes a focus on student-centered vs. teacher-centered activities and approaches to learning.
PowerPoint Use and Improvement
General Course Development Tips includes many of the "rules" that Tufte ridicules.
Creating an Effective PowerPoint Presentation by Thomas Saylor focuses on sound teaching practices.
In The Potential of PowerPoint, you can access part of a larger "Active Learning with PowerPoint" Module by Bill Rozaitis and Paul Baepler.
Teaching Well with PowerPoint offers many excellent resources, many in PDF Format.
An Oral Presentation Rubric can help you to hold yourself to the same high expectations that you announce to students.
