John deere 1830 versus Flexicoil 5500

I'm on the south coast of Western Australia with a range of soil types from sands to clay loams and looking to buy an airdrill, either John Deere 1830, Flexicoil 5500 or a Bourgault5710 or 5810. Wondering what peoples thoughts are on the merits of each, in Australia we can get a hydraulic tyne on the Flexi and Bourgault (is it worth it?) One concern I do have with an airdrill is over packing when it's wet and John Deeres 4 inch rubber press wheels weren't very durable, is the Flexicoil user friendly and durable and any comments on trash flow and field finish for any of these machines would be appreciated. I previously had a Morris C2 which does an awesome job of getting crop out of the ground but trash flow is the issue.

John deere 1830 versus Flexicoil 5500