The early WW II tanks are fascinating me too.
The response of the market about the Panzer I kit is surprisingly good! So conversions are possible, especially the Bison I because the gun is available in 1/16 from Panda:
https://www.scalemates.com/kits/582763- ... fantry-gun
The covers aren't that difficult; this is also on my list
Regarding Panzer II: the versions (A, B) C and F were built in high numbers and a lot of conversions too, therefore this is my favorite.
But let's see what future brings...