I haven't seen this mentioned - please delete if a thread already exists, mods.
From the very useful and expense-inducing
Wargame News -
http://wargameterrain.blogspot.com.mt/Spartan are launching a 10mm scale called Project Gotterdammerung which seems to feature armoured warfare - loads of tanks. The pics on WN , taken from Salute, show - amongst others - lots of little Mausies! And something much bigger.....
It's a 3 or 4 items down the homepage.