A cheap headphone with Dolby Headphone is especially vital in competitive FPS play. The Dolby Headphone or Silent cinema algorithms give positional cues that your ears can pick up better in terms of spatial recognition and distance (ie: the sound of footsteps), especially with "open style"...
lol, another "I have a friend..." or "My mother..." full of crap
yes 21xx is real and has 45nm RSX
http://pocketnews.cocolog-nifty.com/pkns/2010/04/post-eed3.html