Forum adverts like this one are shown to any user who is not logged in. Join us by filling out a tiny 3 field form and you will get your own, free, dakka user account which gives a good range of benefits to you: No adverts like this in the forums anymore. Times and dates in your local timezone. Full tracking of what you have read so you can skip to your first unread post, easily see what has changed since you last logged in, and easily see what is new at a glance. Email notifications for threads you want to watch closely. Being a part of the oldest wargaming community on the net. If you are already a member then feel free to login now.

Alternately, make up a chapter. If you've got a particular fondness for a certain play style, there are ways to reflect that within the rules (include a character that counts as another Chapter's special character if you really have to; a friend and I had a lot of fun with a Raven Guard successor using a guy who counted as Captain Korvyde out of IA8).

As far as fluff goes, you can pretty much do anything you want within the confines of the universe. Female Marines aren't recommended since it's such a polarizing issue, though.