Registration will give you access to additional features not available to guest users such as definable avatar images, private messaging, emailing to fellow users, usergroup subscription, etc. It only takes a few minutes to register so it is recommended you do so.
Specifically to this forum, we ask that you do register if you want to write posts. Once you have applied to register, you will receive an email asking a bit about yourself and how you found the forum. We do this to protect the security and privacy of our members. Once registered, you will gain access to further forums and have the ability to write posts, create polls and a whole heap of other functionality.