Hi Mike:here's another "fryer"(fryrender user)I don't have Arion but i follow the Randomcontrol forum
Arion is unbiased at 90% the rest is compromising between speed and quality
Maybe you can compare Arion to Bunkspeed Keyshot,the first one brings a lot of accurate material settings(in the last release 1.6)
don't need an host application,you can import directly an Obj object,the application put a backplate(if you want) and start render immediately
physics caustic(..swimming pool..)fog,camera roll,turntable presentation animation via -lua-script, Quick time VR output
they offered a special price for Xmas:30% off.Try to download the free demo version,just need the last Nvidia cards

M