HardwareZoom has posted a review on the Sony DRU-700A Double Layer, Dual Format DVD Writer
We can't criticize much about DRU-700A reading capabilities, as it is doing its job meeting our expectations. As usual, only pressed DVD-ROMs are read at 12X, while dual layer discs, CD+/-R/RW are read at 8X. CDs (including Audio CD and VCD) are read at 40X. In addition, the DRU-700A handles low-quality discs rather swiftly.Read more