"No ETA"?

[CheesySpread]

Hi, I was planning to buy the B Grade GTX 470 (BG-182-MS) but now, inspite of saying 10+ in stock, it says "No ETA" where the buy button should be located.
When will I be able to buy this product again?

Thanks,

CheesySpread

 

[Predicament]

When someone returns one and overclockers reburbishes it.