It feels like Intel has been hyping up the debut of its discrete Arc graphics cards forever, but so far all we’ve been able to grab at retail is the low end of the series. That’ll change very shortly. At the company’s Innovation conference, the flagship GPU has finally been given an official price and date: $329, and October 12th. The top-of-the-line card will come in 8GB and 16GB varieties (presumably the price indicates the 8GB version), both marked as the “Limited Edition” first-party variant. Intel CEO Pat Gelisnger specifically highlighted the card’s affordable nature: though this is the …