Well, I stayed away from this site since getting my Bifrost/Lyr combo and Mad Dogs and have been very happy. Came back to check things out at Head-fi and lo and behold I'm looking to spend another ~$500... I don't blame anyone but myself.
I have recently been listening to my Q701's quite a bit which I have become a big fan of. They are quite different from my Mad Dogs and offer a nice change of sound sig for certain music. I do tend to get fatigued fairly quickly with them however, and also sometimes hear a bit of ringing in my ears after a long session. Although I will definitely keep my Q701's I am looking for another set of open cans that will be smoother (slow roll off) on the high end and possibly a bit more fullness in the lower frequencies. After reading tons of threads I have narrowed it down to the HD650. (I will probably also snag a set of the AKG 65th Annie pads at some point to have options with the Q701's)
I'd like to know if anyone has any other recommendations or some votes in agreement towards the HD650 purchase. As far as I can tell the 650's will work well in tandem with the Lyr? My only concern is a good chunk of my music leans on the electronic side, mostly electropop with synths and female vocals and I keep reading things like the 650 is not fast enough or too laid back. I know the Mad Dogs have been described similarly though, and I enjoy the hell out of them.
Any thoughts would be appreciated, thanks!