What's the best way to find that out? The news letter? Is there an out of stock only email I could join? Will they put it back in stock here before places like Walmart and Best Buy?
TL;DR I don't want to miss my chance to get one next time they're available.
check ever 30 mins to an hour, if you don't you wont get anything and they will end up on ebay being price gouged. don't do what i did and stop checking, i stopped checking last night for 2 hours and missed getting a rift s. all you can do is keep checking as often as you can, and if you see it come up jump on it. if you wait even a few mins they will sell out.