For those who want to check out the globe in highest resolution - here is the link to download the pk3:
I tried it with GLSL but without postprocessing (ATI poroblems).
The night light are awesome (and if I am seeing correctly, now the desert shines under the sun) but i didn't experience any resolution improvement nor other effects (such as bump mapping). They're postprocessing, right?ù
Wait perhaps some bump mapping at the highest cliffs (himalaya) during Dawn...