hmm you could try advancedmp3players.co.uk they are into Grado and Denon... good customerservice... Ordered a pair of Denon D7000 but they were out of stock so canceled the order again. the money were back at my account the day after.     

Well i hope you choose the M1 HPA because i am i the same situation... Currently I use the Grado RA-1 to drive my D7K's but I want another one. The choice for me is between the M1 HPA and the Heed Canamp. So if you decide on the M1 please write the result ;-)  

When my Shure Se530 broke last month. I decided to try the cheaper UE Triple Fi 10, while waiting on the release of Shure Se535. The Triple Fi 10 sounds almost just as great as Se530. However I had a quite amount of trouble getting a good seal. Right now i have switched the cable so the...