Hi,   I now have the opportunity to buy a HD700 for roughly 320$ on sale. I already have the HD800 and the HD650. I really enjoy the HD800 for most of my music, and my HE-500 and HD650 complement it really well in my opinion.   So I am wondering is it worth it? What will the HD700 give...

So I have an K272HD which I love with folk/accoustic/singer songwriter music. At home I primarily use it with a WA2, and find the combination exeptional. I also use it with a TTVJ slim for a more transportable setup.   My question is what would be the next step upgrade wise?    The...