You could try Tuff Saw Blades. I have one of their M42 bi-metal 1/4" blades in my Startrite 301S and it is very good. They are definately not the cheapest but they will last a lot longer than the average blade
I have been making bandsaw for a number of years now and I use a 1’4" 6 skip blade. It will do down to a 3/4" radius cut and a bit tighter if you run a diamond stone on the rear corners of the blade and just take the sharp corners off. In fact I only ever use a 1/4" 6 skip blade. I have found that it will do everything I want it to do from cutting dolls house glazing bars to cutting 6 or 7" oak bowl blanks
One thing that you need to remember is that when you are doing tight bands you MUST keep the blade cutting and moving forward of it will bind, even on fairly shallow curves.
