A WotLK/PTR-compatible BETA update of the nameplate enhancement addon Aloft (originally/still at WoWAce:
http://files.wowace.com/Aloft/Aloft-r80814.6.zip) is available here at WoWInterface.
This BETA release can be found at
http://www.wowinterface.com/download...AloftBeta.html. Feel free to try it out and comment, either here in this thread, or in the comments on the page for the addon.