I usually go for Redguard because I find the Adrenalin Rush ability very helpful in the beginning. My preferred star sign would be Atronach because I don't use magic that much. It has one major downside though and that is it leaves your character unable to restore magic points when resting.
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Argonians; the only reason I pick them is because they look so badass, I couldn't care less how much better the other races are