Ad-ridden? Never had that problem. I have Acrobat Reader 6 here, there are 2 faults: 1. Everytime it was invoked it would try to access the internet, I blocked this with my firewall 2. If you open a .pdf via IE, Acrobat would stay in memory forever, it was necessary to use task manager to get rid of it. At work we have version 7, what a pain in the butt to install it over the net, lucky someone found the full install on their laptop. After that, it seems to work fine.