Stefan,
You've done a very detailed and concise review of this release. I question the logic of boxing the new jeep with the venerable old Sherman. With the small size of the Jeeps they might have served the diorama modeller better by releasing it as a dual or triple kit with different accessories (a roof tarp or varied storage or weapons).
It is a great pleasure to see that Dragon has finally provided the builder with information about the nature of the DS tracks.
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Far too many have found in the past that their length did not correspond to what was required and were at a loss to find a way to compensate for any discrepancies. It also would have been a nice change to see some figures provided with the kit (after all, Airfix, Matchbox and others have provided figures with even their older kits).
Cheers,
Jan