If you’re looking to enjoy some sweet touchpad gaming on a gamepad, you’re in luck, because Valve’s Steam Controller is being restocked. The new controller went live earlier this week and was so popular it sold out within about a half hour , and also caused such an influx in traffic that it created problems for Steam’s general servers, hampering connections for players regardless of whether or not they wanted in. Image via Steam “Steam Controller launched on May 4, and while we were happy to see such a high level of interest, the experience for a lot of you trying to buy it was incredibly frustrating,” Valve said in a statement this afternoon . “We plan to continue replenishing stock as we get more in, but in the meantime wanted to share changes we’re making to improve the purchase experience and to limit reseller activity.” Starting on May 8 at 12pm CT, a reservation queue solely for the controller will open up on a first-come, first-served basis.…