Okay, I don't work for theCubicle.us either, but do me a favor: buy that magnet conversion kit and use the provided super glue to slap those magnets in a Valk. Let's see how it compares to a Valk M from theCubicle. Chris has gone to great lengths to find the perfect magnets with the perfect placement and the perfect adhesive to make a cube worthy of use by world-class professional cubers.
Once you compare a cubicle magnetic cube to your home-made magnetic kit, let's revisit this conversation. And post pictures