Fax_Celestis:
...according to...?
Correct me if I'm wrong, but I believe there are rules for this in Stormwrack.
edit: Yes, on page 81

p.s. Ksheep: The FAQ may not be RAW, but it is certainly official, which generally puts it in the quasi-useful zone that exists below errata, but above random stranger on the internets opinion. If doubt exists, you might as well rely on the FAQ until you can find acceptable proof in one of the books to follow.