Soundbooth & Adobe Audition upgrade options:
If you own Adobe Soundbooth CS5, CS4, or CS3, or Adobe Audition CS3, CS2, or 1.5 you are eligible to upgrade to Adobe Audition CS5.5 for $99USD*. In both cases, cross-grading is available.
If you do not own one of the Adobe Audition or Soundbooth versions listed above, Adobe Audition CS5.5 costs $349USD*.
Adobe: Adobe Audition CS5.5
* Prices listed are the Adobe direct store prices