Which is best DVD burner to make backup?

[doctorB]

This is the drive you're looking for! Look here
http://www.cdcyclone.com/prod_DVD_RW.html

DVD Revo FireWire DVD-RW/DVD-R. It is the Pioneer A04 but distributed by Revo. This may explain why pioneer hasn't released an external A04.

Features First affordable external DVD-RW drive
Record personal or professional movies to DVD
Revolutionary external FireWire design
"6 drives in 1": DVD-R, DVD-RW, DVD-Rom, CD-R, CD-RW, CD-Rom
Record a full length 4.7GB DVD in about 35 minutes
Firewire connectivity for Plug and Play while the computer is On
Compatible with a large number of CD-R and CD-RW media
Easy to transport around the office with stylish handle
Soft, desk friendly feet won't scatch your desktop
Stackable design
Includes Toast 5 Software for Macintosh or PrimoDVD Software for PC

Technical Features Write support: DVD-R: 2x, DVD-RW: 1x, CD-R: 8x, CD-RW: 4x
Laser technology: 650nm , writes DVD-R general type media
Dimensions: DVD-ROM & DVD-Video (single & dual layers)
DVD-R,CD-ROM Mode1
CD-ROM XA Mode2 (form 1, form 2)
Photo CD (single & multiple sessions)
CD-DA, CD-R,CD-RW,DVD-RW
Compatible: It supports DVD-Video, DVD-ROM and DVD-R, as well as CD-ROM, CD-Audio, CD-R, CD-RW, CDI, CD Bridge, CD Extended, CD Mixed Mode and Photo CD media

Unit Specs External Power Supply: Input: 100-240Vac .8 47-63 Hz
Output: 5Vdc --- 1.5A, 12Vdc --- 1.5A

Data Capacity: 4.7GB (DVD-R disc), 650MB (74min disc), 690MB (80min disc), 50MB (5.5min Biz Card CD-R)
Dimensions: 2.5" H x 7" W x 11.75" L
Case Material: High Gloss Polycarbonate
Weight: 4 lbs.
Warranty: 1 Year
Temperature: 40-95F (5-35C)

Drive Specs DVD Revo FireWire DVD-RW
Mechanism: Pioneer A04
Interface: FireWire
Data Buffer Size: 2MB
Disc Type: 8cm/12cm; audio CD; CD-ROM Mode 1; Mode 2 (Form 1, Form 2); XA Ready; Video CD; CDI; Multi Session Photo CD
Disk Loading: Power Tray (Caddy not required)
Write Methods: Disc At Once, Track At Once, Session At Once, Fixed/Variable, Single Session, & Multi-Session
Supported Formats: CD-DA; CD-ROM (Mode 1); CD-ROM (Mixed Mode); CD-ROM XA (Mode 2, Form 1 and Form 2 and Mixed Form; CD-I; Photo CD; Video CD; CD-Extra; CD+G; CD Text
Spindle Motor: Brushless
Data Transfer Rate: 2x DVD-Record: 2.6MB/sec
1x DVD-Rewrite: 1.3MB/sec
6x DVD-Read: 7.8MB/sec
8X Record: 1.2MB/sec
4X Rewrite: 0.6MB/sec
24X Read: up to 3.2MB/sec
Operating Humidity: 20 to 80% (Non Condensing)
MTBF: 60,000 Power On Hours, 200,000 tray load cycles
Front Panel: Built-in Headphone Jack, Volume Control Knob & Power Eject Button
Rear Panel: Dual 1394 Ports, Analog Audio Out (L and R) & Mini Din Power In


Sorry for the copy and paste - I'm currently in a hurry.

doctorB.