Just got mine today: I upgraded from Sony F1s... and boy, what an upgrade it is. My girlfriend just asked (err, told) me to turn them down because she could hear them over hers. Oops. It just sounds so nice! And this is unamped. I'm still waiting for that to be delivered.

I just picked up a Chaintech AV-710 and discovered how much I really need a decent amp for my headphones to sound good. I currently own the F1s, and I'm pretty much dead set on buying SA5000s or CD3000s sometime this summer. With regards to the amp, I'm more interested in how well it'll drive...

Just picked up a pair of Sony MDR-F1s while I was downtown in Akihabara... I paid about $160 for them from Yamigawa. So far I'm loving them... I'll give 'em a few days to really break in, but they're definitely the best pair of headphones I've owned thus far. I'm running them from the...