It's a little strange that the Boxee Box by D-Link feels like a late entrant in this year's crowded smart TV market -- the core Boxee software has been around forever, and the Box itself was announced way back in January at CES. But a platform switch from NVIDIA's Tegra 2 chip to Intel's Atom-based CE4100 platform cost Boxee and D-Link valuable time, while the Boxee software we