This really doesn't matter to someone who has a recent machine - my crappy Dell laptop has 2 GB of RAM and Firefox feels very snappy. Casual users with older ma

This really doesn't matter to someone who has a recent machine - my crappy Dell laptop has 2 GB of RAM and Firefox feels very snappy. Casual users with older machines with less RAM probably won't use Firefox long enough for it to start using up lots of RAM. It's not really that big of a problem. For most computer users, spyware is a much bigger concern from the perspective of performance.