Don't believe the rhetoric that theres a "perfect blade" for different situations. There is not. The "perfect blade" is the blade that YOU can succesfully intubate with. Select a blade early in your career that will be your "go to" blade for a difficult intubation. Over time your skill with that blade will blossom. I am partial to the Miller 2. I can intubate a gravid fire ant with a Miller 2. Conversely, the chairman of my residencys "go to" blade was a Mac 3. I never saw him miss. He once intubated a prone persian cat with Da Mac. Goes to show what works for one clinician may not necessarily work for you. Don't let your attendings tell you otherwise.