You've got to hand it to Litl -- even after the Webbook failed to impress, the startup is still trudging though the gadget trenches. And there's no doubt that the new settop box it's tinkering with sounds interesting: like the Webbook, it will run Litl's very own Linux OS, and will be based on a browser and web apps -- in fact, the company is launching an SDK for the Flash-based HTPC tomorrow at the Flash and the City conference. The most interesting thing to us is the cute little touchscreen remote, which will apparently let you control the UI fr