HP couldn't help but harsh the mellow of cutting-edge workers when it revealed the ElitePad 900 wouldn't ship until January. Still, there's less chance of any setbacks now that we know the FCC has rubber stamped the Windows 8 tablet. The version passing through the agency is a 3G model for mobile road warriors and touts the 850MHz, 1,700MHz and 1,900MHz bands we'd expect to for HSPA on AT&T, T-Mobile and Canadian networks. Few other surprises exist; we're m