A700's use leatherette and the AD700's use velour(correct me if im wrong). The leatherette earcups isolate sound a lot more than velour. I personally like the feel of velour more than leatherette but im not complaining. My A700's are very comfortable.
The A700's come with a braided cable and the AD700's come with a rubber cable. I plan on changing the 3.5mm plug on my A700's to a REAN 3.5mm. I feel no need to recable these as they already look stunning.
Got these as a gift from a long distance friend that I helped with him building his first computer. Saved him $500 dollars or so.
Here's another picture of my A700's for you guise. Celly pic. lol
I'm also helping friends build their computers, and in turn, they are recommending friends to talk to me. I've basically become the computer guy, but hey, people want to pay me to build them computers, I'm not complaining