If you are searching for tone then certainly the complement that you described would be great.
If you are primarily playing distorted high gain then it would be a waste of money because the flavor would not come through as much.
The RFT in V1 is still a good choice either way as it will still set the sound stage regardless of the amount of gain. After V1 it all depends on the amount of gain you expect to use. If you are going to cover it up in distortion, why bother with the Tung Sol? If you are really going for good tone then I would try at least a few brands until I found what I liked though. Personally I think that in these Fender based amps that the GE and RCA would be good choices. I have heard that Sylvanias sound good in Boogies. EH are popular too. I think the best thing though is if you experiment with each tube in each position. That way if you like a particluar tube buy them one at a time until you find what you like. If you end up not liking a particular tube in all positions you are not left holding a bag of them. Just remember to buy them as matched that way worst case scenario you can use it in the PI position that really has no effect on your preamp tone. That is until you know that you like at least one of a particular manufacturer's tube in at least one position. Subsequent tubes from the same manufacturer are less important to be matched because Boogies don't require matched preamp tubes. It is generally a good idea though to ensure that your PI is. You may want to step into telefunken, amperex, brimar, mullard, seimens, mazda, or some other manufacturer's tube for different flavor. The V1 is the most critical. V2 and later positions are for tone coloring. You want really musical tubes in there if your gain settings are low. Again, high gain will seriously cover most of why you buy an NOS tube for other than longer lasting and possibly higher gain mu. Used properly NOS tubes will make your amplifier sing something fierce and beautiful at the same time. Also high gain destroys preamp tubes faster so if you do intend to play high gain while having them in there swap them out if you can before you start playing hte high gain stuff to preserve the life. NOS can get expensive. It is much better to slay chinese and russian current production cheapos with high gain. Besides, modern high gain is built off of chinese and russian 12ax7 distortion characteristics. Good luck.
