Yes I agree with your review.
I feel I got an awesome bargain as I got it 2nd hand for about £350, it's built in such a solid feeling way that if I dropped it out my window the pavement would be much worse off than the amp.
I agree with your thoughts on the W1000X pairing, I find the bass a bit too much when using them together, but the HD800 is excellent.
I think the strong sales are because English hifi magazines have recently given it very good reviews - so I suppose more people here have heard of Icon.
Hmm, I have realised I never tried anything other than high output impedance with my HD800s, I'll have to compare the L and M soon...
One criticism I have is that there is quite noticeable tube hum with the Icon - definitely worst on the higher output impedences. It's perhaps something to avoid if you're v.sensitive to this, and use sensitive cans.
Edited by Spakka - 3/8/13 at 4:18am