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There is a trade off for everything so don't go and set caster as positive as you can right away. Zero toe isn't always the best either, especially if one is looking for a sharper turn in in which case you would want a tiny bit of toe out in the front. With some slight toe out, you've already created some slip angle where as you have less initial slip with zero toe. I highly recommend you go to a performance oriented shop if you want a decent alignment.
I've got one performance shop in my area, i know they do like talons and vipers. lol. but hopefully they know something about suspension and alignment.