I love the Keurig, used it every day for nearly a couple years now. But I always use the MyKcup reusable filter.
Then its just the cost of grinding your own beans, of which is use a good old fashioned hand crank burr grinder. Freshly ground beans is far more important than any of the other steps.
Always perfect temperature (just a few degrees under scalding), slight pressure, but not as strong as an expresso press.
One of the best purchases ever.
0.5 gram microsd delivered by 12,000 pound combustion vehicle and driver.