Casbah is a new MongoDB Driver, built from the ground up to take full advantage of Scala and feel "right" to Scala programmers--skilled and unskilled alike.
In this talk from the SF Scala user group, Bendan McAdams will introduce to Casbah mature & robust library which takes advantage of many of the advanced concepts in Scala and is deployed by a number of large companies for their core applications.
Here are Brendan's Slides: