i learned that:
*water in the skybox is bitchy*
*displacements are a blast if used right
*the subdivide tool takes hours and
*it takes again hours to unsmooth it so it doesn´t look fake
*better understanding of visleafs and func_viscluster
*areaportals can actually be used on water
*not working with just-stock is painful but rewarding
*the community-support is excellent
*everyone thrives from a tough competition
*help is always present and everyone lends a hand
*the deadline has some wiggle-room
*backup software is worth gold
*working with dev-textures first pays off
*it´s always polite to ask first before using someone elses entity-setups (thanks Icarus)
*ABS rocks
*Valve rocks
*writing "what i´ve learned" lists is actually fun