Here at CES, Sennheiser's just unveiled its latest duo of headphones set to please audiophiles at home and on the go. First up is the company's HD 700, which at a glance, appears to be a suave hybrid of its esteemed HD 800 and 650 reference cans. If you've lusted after the HD 800, but couldn't stomach the $1,500 price, you'll be happy to know that the HD 700 can be yours for a cool (albeit still wallet-thinning) 1,000
