The video card is the onboard graphics on the Gigabyte GA-MA78GM-S2H mainboard (Radeon 3200 chipset).
I'm fairly sure there is no scaling enabled (will check again tonight) as it was working perfectly on my Dell 24" 1900x1200 LCD monitor through VGA output. The only difference is now I'm using the HDMI output and the TV (with different resolution obviously).
The crap thing is the TV doesn't support VGA resolutions beyond 1366x768 unless you use HDMI (even though the panel is 1920x1080, go figure!), so I can't even revert back to that
