I recently had the opportunity to do a webinar for a number of online participants, where I related a lot of issues that people often see with X++, where X++ is coming from, what its role is and so on.
I am pleased to provide this as a download to anyone interested. You'll find it at
ftp://ftp.villadsen.dk/AXUG Workshop - X++ Tips and Tricks 071107.zip
The technical quality is not superb, but it's adequate.