Make sure you buy from an authorized dealer. I'm not sure about the pricing. Do you need install too? GET THE PREMIERE 930 because it's a 2 year warranty vs 1 year for normal pioneer. That alone makes it worth it imo. If you are willing to come down here for the head unit, I can call a couple places for you to see how much they can get it for. The place I went to is authorized pioneer, and I ended up paying about the same price as best buy had the non-premiere head unit for, but it INCLUDED the labor, parts, and tax, and it was the premiere.
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2004 WRX - WR Blue Pearl 1997 Eclipse GS - Royal Sapphire Pearl