Hello & well met morgothh!
Please read up ((
http://wiki.project1999.com/ )) if you haven't already
There's lots of very knowledgeable people & very cool too that'll help you out.
Unless you want to Min/Max stats just pick whatever you really want to play tbh.
Sorry I do not have a mage tho. Hopefully 1 will chime in soon.
~Enjoy& hope to see u around!