[troll] For a serious web based MMO you'd rather stick to low level and forget about bloated Object Relational Mapping java-like layered kind of frameworks that are made for Rapid Applications Development, not for efficiency. [/troll]
"Eve Online", a well known MMORPG was developped with stackless python : http://highscalability.com/eve-online-architecture You mentioned nginx so I can tell you I personally use Linux + nginx + mongodb (pymongo) + Python 3 version of cherrypy (with Mako templates) and it's working fine after some tuning. -- http://mail.python.org/mailman/listinfo/python-list