Sunflower is my choice for a notil drill even though you did not ask about this brand, reason - simple rugged, reliable, will do wheat or beans in corn stalks, parallel linkage as in a planter, no hydraulics or notil coulters to repair or set. We have run about all brands there are, many are excellent as well, but we look for the ones that will make the most $ per investment , give the least problems and do the best job.