The Flak 38 is a Tamiya model that I got on sale for $10.00 and though it had a good number of pieces it really wasn't that difficult to put together. The Opel Blitz in from Warlord Games and was easy to assemble and paint and looks great. However the amount of time involved is a good 3-4 hours. Oddly enough the Opel Blitz hitch and the trailer for the Flak 38 actually hook together which is a nice bonus, even though the two models are different scales. Even though the two are different scales it is not that obvious. The trailer is slightly wider that the truck, which doesn't really bother me.
Also in the shot, between the Flak 38 and the Blitz is my German Observer. He was made out of a Wargames Factory body and extra arms, head and radio from the Tamiya kit. I particularly love the rolled up sleeves, and the hand painted rank actually turned out really well.
As far as the Bolt Action games rules go, the Flak 38 kind of gets the short end of the stick. Even though the gun shield is clearly visible on the model, there is no way in the rules to get a gun shield, and the gun shield rule for the Flak 38. So this unit is easier to kill than it should be. Also there seems to be some confusion in various forums as to how many shots this thing gets.