I'm loving the playtest and it occured to me that most of the GW stuff would port right over. I'm considering having Omega Tech pop up as magic items. Alpha mutations could make good spell scrolls. I don't see any real difficulty converting some of the GW monsters to this new edition either. Just have to scale down the HP and damage. I could also do an Expedition to Barrier Peaks type adventure, or bring low level GW characters into the Caves of Chaos. That would probably be a little more difficult.