I'm still thinking what to do as well,
I own T1/ED8 If you're looking to buy something high-end without buying an amp/dac for now I suggest you ED8 It work great on my iPhone/Macbook , It just has one thing that high frequency Is a bit harsh Mid/Bass Is really nice even without using amp.
The T1 Isn't hearable without using an amp/dac I believe since It's 600ohm
I'm looking forward to buy either HD800 Or LCD2 (Since I heard LCD3 Is a overpriced and didn't sound better than LCD2) Or Stax SR-007
And I'm not sure about the amp whether Fostex-HP-P1 Or Beyerdynamic A1.
If anyone can help concerning this
I hope I didn't trash your thread with my questions