good DVD rom & CD Writer

[aunlead]

i am building a new pc & was wondering which good DVD Rom & a writer i should pickup...have used sony's 40x(dead) & sony's 48x(working/sold)....should i stick with sony(didnt have much prob) or should i move on..@DVD drive i got 2 pick b/w Asus(has DMA but long spindown time), Sony(no DMA) & Liteon(no info as i dont knw which model is available)....any advice...
thnks in adv...