I dunno what you can find for 800 dollars in your region but if you can find a larger model troybilt that is in good shape, starts, has the original manual, I would say git it.
I don't have experience with the newer models of the last fifteen or so years.I have heard customer support aint what it was in the seventies and eighties. I had a seventies model with a Kohler 7hp for about 35 years that was a great machine. Five or six years ago I latched onto a virgin 8hp Kohler, PTO model at an estate sale and I was ecstatic.
I know people who have those wonderful BCS tillers and they have been great machines for them. Expensive as can be but excellent.
I have worked up new ground with my Troybilts and it can be made easier by moving and removing the grass, weeds,etc. Then running the tiller in its' highest mode and gradually, gradually working your way through the hard top and into the soil. If you go slow slow slow and be patient, you will succeed. Otherwise run a chisel down the ground with a tractor and then begin with your tiller. Moisture content is a key in breaking up new ground. Bone dry compacted stuff is going to be rough going.