Preorder links:
Sony A1II at BHphoto, Amazon, Adorama, BestBuy, FotoErhardt, FotoKoch, Calumet, WexUK, Clifton, CameraPro. Sony Australia.
Sony 28-70mm f/2.0 GM at BHphoto, Amazon, Adorama, BestBuy, FotoErhardt, Fotokoch, Calumet, WexUK, Clifton, CameraPro. Sony Australia.
You can use the BH comparison tool to check out the specs:
Comparing Sony A1 II vs Sony A1 vs Sony A7R V
Comparing Sony A1 II vs Canon R5 Mark II vs Nikon Z8
Comparing Sony A1 II vs Sony A9 III vs Canon R1