The fact that Open edX is available in the AWS Marketplace has been highlighted by edX in a recent press release.
However, it is worth remembering that pre-installed images have been provided by edX on Amazon.
Some users in the developer community have noted that Bitnami’s solution is “disappointing, not responsive and no-go for clients”. Ubuntu 14.04.01 on Open edX is truly experimental. “Regular installations are full of problems, so who needs to experiment with a new Ubuntu”, said David C.