I have the Pro version version 3.6 and am using it as additional to the Avast / CIS 8 partition I am using. It does what it says it will. Great review Umbra. You the man!
Their troubleshooting FAQ recommends a reinstall if keystrokes get scrambled... been using premium for a week, already encountered this annoyance... ugh
...been getting orange boxes with the message "keys from unencrypted source", even though it is... anything from this text box, through to Notepad. Working with support staff, hoping it's just a program clash... or hoping v3.5 works better.