since i don't see any post about this: 20/05/2007 has been released:
patch: http://halflife2.filefront.com/file/Earths_Special_Forces_Open_Beta_Patch;79244
full client:
http://halflife2.filefront.com/file/Earths_Special_Forces_Open_Beta_Full;79245
the changes are not much, but something...