Sam Rutherford for Engadget Lenovo has the honor of releasing the first SteamOS handhelds not made by Valve , and it looks like you won’t have to wait long to get them. Legion Go S handhelds with SteamOS ship May 25, according to a new Best Buy listing spotted by The Verge , but go for at least $50 more than the original $499.99 price Lenovo promised. The Legion Go S powered by SteamOS now starts at $549.99, which gets you an 8-inch, 120Hz OLED display, comfortable controls, a fingerprint reader / touchpad, 16GB of RAM and the AMD […]