Just upgraded to Ad-Aware Pro for free (6 months), no strings attached (except for time-frame).
From the site:
To celebrate the New Year, we are giving away a limited number of Ad-Aware Pro 6-month licenses.
Ad-Aware Pro gives you
* Expert Real-Time Protection
* Priority Updates
* Expert Technical Support
How to get a free copy
1. Fill out the form below.
2. Check your inbox for an e-mail from us.
3. Follow the instructions in it to activate your Pro version.