Pros: For me none see cons.
Cons: I use Vista
I read all the hype and installed it and rebooted. Everything slowed to a crawl. I unistalled with IO Bit uninstaller after uninstalling using the uninstaller powerful scan it left hundreds of bits of crap behind. I then ran the advanced system care (paid version) registry scanner and it found over 500 bits of rubbish.
Other Thoughts: Think twice or more before installing.