--This would be a nice addition to the game, and it would then essentially be able to function just like the British Churchill AVRE does in CoH.
--105mm howitzer emplacements are a good plan too.
--To counter the massive amounts of Soviet infantry, the Ostheer really needs the ability to either dig some type of trenches or foxholes.
--As far as the 3 commander choices are concerned, I wholeheartedly agree that the Waffen SS should be one of the options. Another good one would be Gebirgsjägers, who then should have some special infantry and artillery abilities. For the third...I'm still thinking on that one!