Howdy people. Sorry for the slight hold up in the roll out of features. I've been completely re-working the Private Messaging coding to make it ubber super friendly.
The PM system will split your messages into topics, similar to how facebook works,. actually, the same as how facebook PMs work :-)
You'll also be able to tag messages so you easily filter sort out your message archive.
Hoping to have a beta version of the PM system sorted by the weekend.