Long story short, need to replace old MX Ergo, plastic is peeling off and no usb c charging, common problem for MX Ergo user.
Saw this new model in Japan, reluctant to buy there without warranty and Aus price was just a rip off. Randon search today saw it on sale at officeworks for $134, I know it's not going to get any cheaper and company is paying for it so pull the trigger.
A quick take on the price and usability, for those who are using these type of device will know, this is the best you can get alongside with Kensington, $134 for a stable and reliable bluetooth trackball is really the lowest you can go, you can get a bit more discount with gift card but that's about it.
can't find anywhere selling the Ergo S plus model :(