new driver family released . this is the first time i see a driver with a name . ion , well it sounds good and works good also . but there is something new i didnt understand in the physics driver . its integrated better in the nvidia control panel but its now having the option of Directing the physics work to the cpu . and that totally confused me . haw can a cpu do the work of ppu ? or gpu ? so now quad cores pcs can make use of their unused cores while gaming by making one of them a ppu ? should i do that my self on mu dual core ? and get some pressure off my 9800gtx . waiting for your advice . thanks .