Hi Glen,
I'm looking at this too... how about a qhy9 ... $3000 ... locally, and includes bonus filter wheel in price?
http://www.gamaelectronics.com.au/QHY9.html ?
Otherwise if you decide on another camera you could use filter draws to save money on a filter wheel
https://www.teleskop-express.de/shop...ig-sensor.html
Russ
Russ