Mouse and keyboards are usually pretty sturdy and will last for many years. As long as you treat them well and avoid slamming them when you get mad.

Warranties range from 90 days to 3 years. Generally the more you pay the longer the warranty period will be.

To find more reviews do a search in your favorite search engine (Google, Yahoo) for the model number of the keyboard or mouse you're interested in.

Below are several sites that will help you find the lowest price from a reputable merchant.