Out of all of the blades in the "everything" sampler (along with a couple of others,) these are my favorites, and the ones I continue to use. They're very sharp and leave me with a close shave an no irritation. I don't find I cut myself any more often, as I have to apply virtually no pressure to get a close shave.
I find I get three great shaves out of one razor, (and another 2 good shaves if I want to push it.) Even if a certain large company's claims about the life of their newest cartridge is true, that still puts these at ? the price, without the irritation.