A new posting at www.lifelikeproducts.com shows that the second run of GP38-2's, including D&H and B&M engines, is due in October.
More info on the GP38. Didnt see anything on D&H units, but I guess you can take the LV units and re-letter them like D&H did!
http://www.lifelikeproducts.com/proto/gp382.htm
-otto-