EL-34 tubes for Six Pacs

I'm thinking of trying either the EH 6CA7 tubes or Gold Lion tubes in my amps. Just wonering if any Six Pac owners have tried either or both?
You also might try the Shanguang Treasure 6CA7's. I used them in a VTL ST-85 and they are outstanding but they are pricy. If you want to go cheap try the 6P3S-E from Jim McShane. I like these better than any EL-34. Bigger sounding with better dynamics and bottom end. Really special for only $50 a quad set. I have not heard the EH or Gold Lion tubes. Have fun