Opera is giving away registration keys for their 8.02 version of their Opera Browser. The CNET.com download site has a notice posted:
Note: For one day only, you can get an ad-free version of Opera. Simply e-mail registerme@opera.com to obtain a registration code. This offer is valid from 12 a.m. Tuesday, August 30 to 12 a.m. Wednesday, August 31 2005 (PDT).