After unpacking and setting up my MkII on my ethernet, I dragged a folder with 1500 songs (6GB) into emplode v11d and it synch'ed with *no problem*. Outstanding!

In my case I did the following, but ymmv:
a) connected by USB, set static IP address in Player Configuration
b) changed registry entry per readme file How-to-synchronise-over-ethernet.txt
c) installed IE 5.0 as mentioned in some post on this BBS
d) reconnect by ethernet, then launch emplode