Hey, here is a pic of a PZII-G I did when I first got back into modeling a year or so ago. Completely Tamiya out-of-the-box, including figures, hand painted, oil washed/weathered, etc. I drilled out barrels on the cannon and mg using a pin vice....verrrrrry slowly. I also drilled out the muffler.
Your model caught my eye since the composition was similar, on a vignette base. Let me know what you think. I still see opportunities with it, butttttt, I don't think i'll mess much more with it unless someone else finds something interesting. Stu