Lois,
Can you describe EXACTLY what did the 4024 Beta bios solve?
I've found no difference in my D34010WYKH NUC (using OpenElec Beta7). I expected to have the sleep problem solved but I still need the sleep.d file fix described here:
http://openelec.tv/forum/107-suspend-and-wakeup/70134-fixing-intel-nuc-s-please-help?start=15#103067
BR