Get a grip guys. Its now at 198.
McAfee at 1, Norton at 2.
All it shows is that last minute Christmas buying messes up the Amazon sales ranking something rotten.
You can choose to make something significant which isn't if you want, but what you should be looking for is a consistent period in which for instance Panda is say 10 points behind McAfee and Norton.
Otherwise you could either be over the moon or despondent, totally depending on what relationship there is between sales volume and sales rank, which nobody knows except Amazon and the software vendors.