I doubt they will come out with a 24x, just like 52x cd burners, they topped out. Besides the market moves to the blu ray soon. 16x DVD's are out but arent plentiful and are expensive. At 4x, my LG burner takes 13mins to create a full DVD. At 16x it'll be about 1/4 that time. Therefore there is no point for a 24x. Go for the 16x, they are great prices right now and they are fast enough.