I've managed to burn one successfully now.
I 14:22:05 ImgBurn Version 1.0.0.0 started!
I 14:22:05 Microsoft Windows XP Professional (5.1, Build 2600 : Service Pack 2)
I 14:22:05 Initialising SPTI...
I 14:22:05 Searching for SCSI / ATAPI devices...
I 14:22:05 Found 1 DVD-ROM and 1 DVD?RW!
I 14:22:56 Operation Started!
I 14:22:56 Source File: C:\Documents and Settings\Administrator\Desktop\WinLite.iso
I 14:22:56 Source File Sectors: 221,448 (MODE1/2048)
I 14:22:56 Source File Size: 453,525,504 bytes
I 14:22:56 Source File Application Identifier: MKISOFS ISO 9660/HFS FILESYSTEM BUILDER & CDRECORD CD-R/DVD CREATOR (C) 1993 E.YOUNGDALE (C) 1997 J.PEARSON/J.SCHILLING
I 14:22:56 Destination Device: [1:0:0] _NEC DVD_RW ND-3540A 1.01 (E:) (ATA)
I 14:22:57 Destination Media Type: None!
I 14:22:57 Destination Media Sectors: 335,098
I 14:22:57 Write Mode: CD
I 14:22:57 Write Speed: 4x
I 14:22:57 Test Mode: No
I 14:22:57 BURN-Proof: Enabled
I 14:22:57 Filling Buffer...
I 14:22:58 Writing LeadIn...
I 14:23:47 Writing Image...
I 14:36:03 Synchronising Cache...
I 14:36:36 Operation Successfully Completed! - Duration: 00:13:40
I 14:36:36 Average Write Rate: 601 KB/s (4.0x) - Maximum Write Rate: 628 KB/s (4.2x)
It takes a while for the disc to be read correctly by Explorer though.