I've been chewing the idea of adding Cassandra to my stack for quite some time as Cassandra seems like inpenetratable moster :-) Any pointers how to start? Als

I've been chewing the idea of adding Cassandra to my stack for quite some time as Cassandra seems like inpenetratable moster :-) Any pointers how to start? Also, do you have any posts on how you added Cassandra to your back-end?