ok, and how about brands?? i have in mind one of this 2:
Plextor 8X DVD-RW/+RW Drive, Model PX-708A/SW
Write Speed: 40X CD-R, 24X CD-RW, 8X DVD+R, 4X DVD-R, 4X DVD+RW, 2X DVD-RW
Read Speed: 40X CD-ROM/CD-R, 12X DVD-ROM
OR
Lite-On White DVD+/-RW Drive, Model SOHW-812S
Write Speed: 8X DVD+R, 4X DVD+RW, 8X DVD-R, 4X DVD-RW, 40X CD-R, 24X CD-RW
Read Speed: 40X CD-ROM, 12X DVD-ROM