Yeah, there's really no advantage that you get from having a widescreen. If it is a bigger screen overall, then yes there is that advantage of having a better view distance, but not becuase it's widescreen. Ideally you would use a massive TV so that small snipers a kilometer away can be seen as a clump of two-three pixels.

But widescreen will not help you since the FOV in BF2 won't change. Other games where you can modify your FOV will help, hell it'd be cool to have a full circle TV screen with a FOV of 360.