Welcome to SRP,

Yes, good preparation makes a lot of difference, doesn't it. I haven't used the sensor blades in a long time, but once you get really good with straights you can get as close shave as possible. You basically have a lot more control of the process, the sharpness and smoothness of the edge and the angle is something that Gillette has predetermined for you. It does take some determination to get there though.

I am not sure about retailers in your area, but art of shaving has many shops and sells thiers-issard razors.