The W20 is old as digital cameras go. Check out a newer model, like the W90. Here's what we had to say about the W20 when it was released in August 2006:
The Pentax Optio W20 is a resilient compact digital camera, able to withstand tough conditions and still provide high-quality digital photos. The W20 is graded "Class 8 Waterproof" and "Class 5 Dustproof." To understand what those terms mean a little better, you can click here. Essentially, it means the this camera is one tough cookie. The 9-point auto focus ensures quick and accurate photos, with Face Priority AF enabling the W20 to zero in on people's faces exceptionally well.