Unless you've been living under a rock, you know Microsoft's Build developer conference is going on right now in Anaheim, California, and Windows 8 is the belle of the ball. Earlier today, Windows chief Steven Sinofsky spilled more details about the OS, touting the minimum requirements and NFC support, while we fessed up to having had some quality hands-on time ourselves. So it shouldn't come as a surprise that the company's hardware partners are also ready to start talking. NVIDIA just opened its Windows 8 developer program, and says it'll embrace not just x86-based PCs, but Tegra-powered tablets as well. Specifically, that means support for its forthcoming quad-core Tegra platform, codenamed Kal-El, along with PCs packing GeForce, Quadro and Tesla cards. Any developers who happen to be hanging around the Anaheim Convention Center can sign up at NVIDIA's booth, though there's also an online registration page for everyone else. Find that at the source link, along with the full PR after the break.