Just posted! Another compact five megapixel digital camera review, the Pentax Optio 550. The Optio 550 was introduced at PMA this year, it's an attractive offering because it packs five megapixels and a five times optical zoom lens into a compact body. It's powered by a supplied Lithium-Ion battery (which lasts forever) and stores images on Secure Digital cards. See how the Optio 550 did in our tests, read the review in full.

Click here for our full in-depth review of the Pentax Optio 550