title: Is there a Comparison of NoSQL Solutions (Which is better in certain situations?)
body: <p>I'm trying to learn more about NoSQL as I'm building a key-based archiving app in a Linux/PHP architecture.  Can anyone explain the differences between the major solutions (CouchDB/MongoDB/etc) as to the advantages/disadvantages to each?  Links would be great, though I'm having a hard time doing research using Google alone.</p>