Tube favorites for Modwright LS100?

Oops - I would also like to add that not only does the LS100 benefit from some excellent NOS 6SN7 tubes but also a very good aftermarket power cord. I am using a Shunyata Delta NR that does probably more for the preamp than the NOS tubes...
Perhaps a topic for another posting?

IF anyone is still reading this old thread (there are still some of us who are still buying the LS100) I would recommend a NOS pair of CBS Hytrons. These are unsung heroes of the 6SN7 world and coupled with a good 5AR4 rectifier that is NOS, or in my case, a Brimar 5V4, and things really do come alive. I also have a set of Brimar CV1988 tubes (6SN7) which are simply phenomenal with the Brimar rectifier. When these are all paired up, the LS100 sounds like a $10K - $15K preamp. While NOS tubes are not inexpensive in some cases they sure can bring out the best in some equipment. It is not the NOS tubes' fault that there are so many people out there who try to gouge you for every last dime out of your pocket and hence, spoil it for some who really could experience some wonders out of their LS100..