Super blade for the budget-conscious, "classic" Shave

I have been almost 4 months away from the system a la Gilette razor towards the razor with shaving.
Since then, this type of shaving has enriched my morning ritual - a clean shave is fun and it seemed neat all day. However, this is only with the right blade.

Here I am no further than the Astra blades that always do a good job in my Pils Planer. Razor burn there are virtually not in spite of my very sensitive skin. A blade I use an average of 3-4 days and then share them out. A 100-pack thus reached me about 1 year