Olympus have issued an advisory notice about the recent CCD problem that most other camera manufacturers have reported. The Camedia C-5050 Zoom (pictured) and C-730UZ cameras are the models at risk.

Olympus Advisory Notice Excerpt

It has recently come to our attention that a limited number of C-5050 Zoom and C-730UZ cameras may exhibit the following symptoms:
In picture taking mode, the camera will produce pictures that are of a gray or purple tone or the pictures will becompletely black. If the LCD monitor (or the C-730UZ electronic viewfinder) is used to compose the picture, the preview display will also be dark.

Website: Olympus Europe CCD Advisory Notice (PDF)

Website: Olympus America CCD Advisory Notice (PDF)