It was good of them to include both "kit lens" that came with the GX8 kits, I also asked and got a GX7 body for comparison. Much appreciated Panasonic NZ :)
In New Zealand the new GX8 are offered in two kits, NZ$ 2,895.00 with a 12-35 f2.8 X lens (left) and
NZ$ 2,548.00 with a 14-140 f3.5/5.6 zoom lens.
The Lumix GX Vario 12-35mm/F2.8 ASPH / Power OIS is a weather sealed ultra high performance zoom lens, with bright F2.8 over the entire 24-70 (35mm equivalent) zoom range.
The slightly cheaper Lumix G Vario 14-140mm / F3.5-5.6 ASPH / Power OIS is not weather sealed, however it's 28-280 (35mm equiv.) zoom range can "pull in" your subject 3 times closer compare to the X lens.