Fluent Cassandra is now available via NuGet.

FluentCassandra

If you have never heard of FluentCassandra then go here to learn more:

http://coderjournal.com/2010/06/your-first-fluent-cassandra-application/

If you have never heard of NuGet then go here to learn more:

http://nuget.codeplex.com/wikipage?title=Getting%20Started