Maybe not computers, because I wouldn't know what to expect from a computer manual exceptg for "how to connect the S-ATA cable"... but I admit I read manuals (if available online) of cameras, phones and other gadgets I bua because they tell me more about what a device can actually do than the spec sheet. (Like: How good is the built-in video editing capability of a given phone? Which options do I have in the syncML settings? etc.)

Unfortunately, a lot of companies (including Nokia) have very bad and short manuals recently. They only state the obvious. ("Camera: Your phone has a built in camera. Press the button with the camera symbol for high-quality photos.")