We tried the RTS in tall weeds and wild oat patches on a field we didn't get seeded. It didn't do much on the thick wild oats patches, but did a great job on the other weeds (some were 2 feet ot taller). We had it sunk in so the main frame tires we off the ground and we had the machine running level (Even depth between front and back of machine) and it had 8 wave blades on front and 13 wave on the back with harrows and rolling baskets.
there is something wrong here. Either you are wrong or the machine is assembled wrong. The 13 wave blades should be on the front and not on the rear of the machine.

The RTS should have some pressure on the tires to controll the depth properly. The soil will not level very well if there are deep ruts. As far as drying the soils in the spring it will dry the soils to get you in the field earlier with a planter.

The RTS can also be fitted with an air cart to sow the small grains that you grow. This may have an influence on your decision in the end.