ASUS and their hotly anticipated quad-core tablet the Transformer Prime has been causing a bit of a stir lately. Selling out everywhere before it’s even available and multiple online retailers having to turn away pre-orders. I know many of our readers have been looking for a place to order so today we have some great news — Expansys-USA has opened up pre-orders and you can get one now, but you’d better hurry.

What’s even better is the fact they are also allowing a coupon code making the Prime just $480 for the 32GB version. Just apply the coupon “20OFFLS” at checkout and you’ll have the best deal around — on the best tablet around. The online retailer isn’t listing quantity like the did with the Galaxy Nexus, or a shipping date but at least they’ll throw in free shipping.

A few recent rumors went around that the Prime was being delayed for WiFi issues but we experienced zero issues while enjoying it for a full review. All the details and more are available below from our new Story Timeline. We have heard scattered reports that Canada’s supply might be a bit low and delayed but last we heard from ASUS everything was on track and as planned for the US.

Head down to EXPANSYS if you are still interested in a pre-order before they are all gone.

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[via Wireless Goodness]