Quote: Hmm? I thought sound signature only meant the "flavor" of the sound, like emphasized bass, forward mids, recessed highs. And things like definition, extension, soundstage imaging, etc were the technical aspects?

Quote: Oh, no offense taken. I think I came off the wrong way . No, I don't think that a higher price necessarily means it's better, I agree with you. When I wrote that post I was thinking about the technical capabilities of the headphones. Sure the Porta Pros or PX100s may have the same...

Well, I already know what sound signature I like. And I don't want to get bitten by the upgrade bug. I'm not wrong to assume or expect that a more expensive product is going to be better, right? I doubt Porta Pros or PX100s will sound more similar in all aspects to the HD650 than a more...

Hey thanks everyone, I appreciate the input, but I don't want in-ears and I'm not looking for low-end headphones. My mistake, I should've included this in my first post. I want high-end (to me that's about 200-250 US) headphones.

Is there a pair of headphones that has the same sound as the HD650 but smaller and more portable?   Edit: I'm not looking for in-ears and I'm looking for high-end 'phones (around 200-250 US)