You can now download Nuke 5.1v6 from our website.  This is a point release addressing the problems experienced by users after the Mac OSX 10.5.7 upgrade.  This also fixes the known issue with EXRs on Windows XP64 with old AMD Opteron machines. It is a standard maintenance release, and available to anyone with valid maintenance.  DOWNLOAD NOW.  To renew your maintenance please emailsales@thefoundry.co.uk.