70m Global Terrain Mesh

The new FS2004/FS2002/FS2000 70m Global Terrain Mesh for America, Europe & Asia has a resolution of three arc-seconds, and it's sampled at 70m.
The original FS2000 & FS2002 30m Terrain Mesh for the continental USA has a resolution of 1 arc-second, or about 30m.
Is the new set better then the old?
The original FS2000 & FS2002 30m Terrain Mesh for the continental USA has a resolution of 1 arc-second, or about 30m.
Is the new set better then the old?