I recently bought a NEC 3520a and updated it with the firmware that allows over burning of media. The problem i'm having is that when i'm burning...it starts burning at 6x then jumps to 8x then 10x...but if I open a window, whether it be internet explorer or windows explorer, or a program, the burning slows down all the way to 4x and stays there for the rest of the burning process even if I leave the computer doing nothing other than burning. This drive sucks. Does anyone why this is happening or how can this be avoided? I also have a pioneer drive that only burns up to 4x, which doesn't bog down if I run any programs. On the other hand, this nec drive slows down like a punk if i open any program. Am I missing something?