I'm not a fan of this "make a Mage/Necro to get money first" thing. If you're going to be a good warrior, if you're going to work hard to get the best gear that you can, and if you're going to be social and join/form groups, then you'll be fine. You'll meet people who will either help you get what you need or who turn out to be the alts of bored level 60s who will be kind and give you stuff. Unless you're on a weird time zone or plan to solo, it will work out.
That said, if you can take the warrior or leave it, I'd go with a Shadowknight
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