T1 vs. O2 is not night and day at all. Knowing what I know now, I'd say this: buy the end game headphone you want and use the T1 while you save up to buy the right amp for it. You'll save yourself a lot of money that way. Otherwise, you end up bleeding money on incremental upgrades trying to get the sound you want out of lesser equipment. Cry once, as they say... It's cheaper to spend $1,000 once than it is to spend $150 10 times.
True though. The sound from my T1 is a bit different from my X3 combo but I don't hate it. Most likely because of the tube.
Open back headphones is more important for me now since I'll be needing it most when I begin my temporary move to my friend's house.
Or maybe I could play around with tubes. The rocket 6N23P and Mullard ECC88 aren't really expensive but I think I'll go with the rocket first
