At this point in time i would confidently say these are my best 5
1.Feather
2.Iridium
3.Shark
4.Gillette Yellow
5.Personna Reds
1.Feather
2.Iridium
3.Shark
4.Gillette Yellow
5.Personna Reds
Personna Red
Bolzanno
Derby (for me they don't suck - I have never gotten a bad shave from them)
Shark Stainless
Astra
So far the ONLY blades that don't work for me are Crystal and Wilkinson.