That is correct, Epic has just released the PS3 Mod Tools patch for PC users to now cook mods for the PS3 version.
Users can download it right now! This patch includes the necessary tools for converting mods to the PS3 format.
Check out the download link http://download.beyondunreal.com/fileworks.php/official/ut3/ps3modtools.exe or http://psnathome.com/request.php?56.
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