...DCM425 cable modem? will I recieve any problems while having my ps3 connected to it with a WIRED connection? Will my download speeds be fast, will my upload be good, and will there be any lag in online games? I'm asking this cuz on forums many people reported problems with comcast and ps3, but these posts were from a while ago (2yrs). So, if anyone has comcast like mine please answer. And if there is a problem would buying a new cable modem from a store be fine? Thank u 