I would like to request that the SdKfz 251/11, -/21, and -/22 are added. The /11 had a 37mm Pak 36 cannon, the /21 had a drilling 20mm turret (dri is german for three, it has 3 20mm cannons) for AA use, and the /22 had a Pak 40 with 22 rounds of ammunition.
Reasons:
1) it would give a counter-part to the M3 75mm GMC we have in the game.
2) it would finally give us a GV with an ENY above 25 that stands a reasonable chance of killing a tiger and even, dare I say it, a panther, from the front.
3) you could use it to test the feasability of legitimate tank destroyers in the game. The M3 GMC doesn't really do this, as it lacks the firepower most MW and LW tank destroyers had, but it has proven vehicles with limited traverse weapons CAN be effective. The 251/22 would give firepower parity with the M10 wolverine, the M18 hellcat, the Hetzer, the Marder II/III, and even early versions of the Jagdpanzer.
4) it would be relatively easy (note, relativly easy, not nessicarily easy) to add. Easier than modeling an entire new vehcilce from scratch. The gun and the vehicle both already exist, it would just require a modification of the center of weight and the visual model of the SdKfz 251.
And finally, I would like to ask for the M18, the Stug III Ausf. G, and the Su-85.