Firefox's new features include automatic updates (users previously had to complete an installation for each update) and extra pop-up ad blocking.

FORBES: Magazine Article

So we feel your pain, original Kindle owners, after Amazon announced a major firmware update that brings native PDF support to the 6-inch Kindle 2 and DX readers with the promise of a staggering 85% increase in battery life to all Kindle 2 devices -- if you haven't already received it OTA, the 2.3 software update is now available for download and installation via USB tethering.

ENGADGET: Kindle 2.3 software update available, generation 1 owners need not apply

Users who choose to update their hard drive will need to have the original OS installation discs that was shipped with their system in order to re-install their operating system, and applications, along with any backed up data, will need to be reinstalled.

FORBES: Your iMacs May Be Eligible For A Replacement 1TB Hard Drive