For those that will be in the New York City area tomorrow night (10/25), Daniel Krook has something you should consider attending - the New York PHP User Group is having a meeting with a talk on MongoDB (and a ZendCon Recap).
PHP on IBM System i consultant ZendCon. 10gen MongoDB evangelist Steve Francia will provide an overview on using PHP with MongoDB.
Have a user group meeting you'd like to let the community know about? Let us know!