There are good reasons why certain steels are used extensively by knifemakers..... it is because they work.
While A8,S7, and other alloys will make a good knife, the standard steels A2, O1, D2 1084, 1095, W2, and 5160 are all available in annealed bar stock ( often precision ground), and in the sizes we need. HT specs for these steels for making knives are also readily available. The HT specs found for a steel normally used in far thicker and massive sizes may not be optimal for making a blade that is .125" thick or less and has a mass of 100-200 grams.
These steels will make excellent blades and with the proper HT will meet or exceed all normal blade use needs.
If you like the attributes of A8, try A2. I doubt you will be unhappy with the results.