I have purchased about 10 rolls of Kodak Ektachrome 64T 120 from Lomography online store and I have tried both E6 development and cross-processing. Surprisingly, they produce outstanding results for both kinds of development.
If E6 development is chosen, the tungsten characteristic of the film will result in dominantly blue pictures. It works best with the more extravagant cameras like Lubitel 166+ because E6 development usually requires better shooting skills and equipment. I advise you to look for anything “red” when you do shooting because this color stands out!
Don’t worry if your film has expired. Cross-processing produces even greater results. If you cross-process Fuji T64, you will get pinkish color. Yet, if you cross-process Kodak 64T, you can still get the blue tone! I suggest using it with the more experimental cameras such as Diana F+ or Holga since the leaking effects will definitely surprise you.
So, store up your stock now as Kodak has ceased producing this film. Don’t worry about the expiration date! Grasp them on the online store now.