(Image credit: Valve) The Steam Controller launched last week and sold out in less than 30 minutes . As expected, eBay listings went live shortly after, with the peripheral marked up by hundreds of dollars. Valve has since implemented a queue system for Steam Controller orders, and if a recent rumor is true, the company will do the same for the upcoming Steam Machine. As Wccftech reports, a new leak suggests that Valve is bringing back the reservation queue system—the same one used for the Steam Deck’ s launch. That alone is interesting, but the leak also suggests how many versions of the PC/console hybrid we should expect. For those who don’t know, the reservation queue is tied to a vetted Steam account. By requiring a purchase history or a verified account, Valve can prevent scalpers from using thousands of burner bots to swarm checkout pages. Those who’ve had active Steam accounts for an unspecified amount of time will get priority on the line.…