I've arranged interview with folk from Ryzom. It is a MMORPG which became free software (AGPL/CC-BY-SA) [1][2]. I'll send them questions tomorrow or the day after tomorrow. Please, write your questions, thoughts here.
[1] - http://en.wikipedia.org/wiki/Ryzom [2] - http://linux.slashdot.org/story/10/05/06/1518251/MMORPG-Ryzom-Released-Under...