CodeWeavers is offering CrossOver for Linux or Macs (but not both) and a year of support and updates for free for one day only (31 October 2012). Sign up here:
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More details about CrossOver here:
http://www.codeweavers.com/
If you miss this offer because of Hurricane Sandy, all is not lost:
http://sandy.codeweavers.com/
These are the same folks behind Wine.