paul - after the month of play, there are many tube options to consider, as has been outlined extensively here. the 7308's and 6922's are designed for looong life, the 6DJ8's somewhat less. i havent had mine long enough to weigh in on how the FS itself affects tube life.
Mine never gets warm either, not at all. some of that might be the power supply living in another box.....
Mine never gets warm either, not at all. some of that might be the power supply living in another box.....