If you speak to CJ, they don't go for the expensive NOS tubes. I would look at NOS GE's or 5751's. EH or Tesla should be fine. You should consider buying from a dealer who can match them for you.
As far as EL34's: The Shuguangs come in several versions of quality. All sounded "muddy" and "soft" to me. My favorite low budget tubes were Svetlans WXT, I believe they are the Sovteks now. Money does pay off here though. I'd love to have vintage Mullards. Currently using NOS Groove Tubes with Svetlana's as back ups.
As far as EL34's: The Shuguangs come in several versions of quality. All sounded "muddy" and "soft" to me. My favorite low budget tubes were Svetlans WXT, I believe they are the Sovteks now. Money does pay off here though. I'd love to have vintage Mullards. Currently using NOS Groove Tubes with Svetlana's as back ups.