We already caught sight of a slightly mysterious, 3G-equipped Lenovo netbook last month courtesy of the FCC, and it looks like Lenovo itself is now adding to the speculation, with a recently revealed user manual all but confirming an updated S10-2 netbook. While there's still no word on complete specs, it does appear that this is more than just a minor update, with the netbook apparently sporting a different hinge and some rounded edges, along with an extra USB port (bring the total up to three), a