Microsoft Live OneCare v2.0 Free

Microsoft Live OneCare 2.0 is available for free after a $20 rebate.  Make sure you select rebate offer #3282738 which does not require an upgrade.  (If you qualify for the upgrade rebate, you actually make $20 after an additional rebate offer #3282734.) In other words, you either get something useful for free or you make $20.