The forums were down for awhile, but here's what happened:
I replaced my power supply (due to some posts on other forums), and indeed had an improvement. Unfortunately, only burning up to 50%
Suggestions are all greatly appreciated.
UDF file system
I 11:46:22 ImgBurn Version 2.1.0.0 started!
I 11:46:22 Microsoft Windows XP Home Edition (5.1, Build 2600 : Service Pack 2)
W 11:46:22 Drive X:\ (FAT) does not support single files > 4 GB
W 11:46:22 AnyDVD can interfere with ImgBurn's ability to verify accurately, please ensure it's disabled!
I 11:46:23 Initialising SPTI...
I 11:46:23 Searching for SCSI / ATAPI devices...
I 11:46:23 Found 1 DVD-ROM and 1 DVD?RW!
I 11:46:54 Operation Started!
I 11:46:54 Building Image Tree...
I 11:46:54 Calculating Totals...
I 11:46:54 Preparing Image...
I 11:46:54 Image Size: 7,689,764,864 bytes
I 11:46:54 Image Sectors: 3,754,768
I 11:46:54 Operation Successfully Completed! - Duration: 00:00:00
I 11:47:06 Operation Started!
I 11:47:06 Building Image Tree...
I 11:47:17 Calculating Totals...
I 11:47:17 Preparing Image...
I 11:47:17 Image Size: 7,689,764,864 bytes
I 11:47:17 Image Sectors: 3,754,768
I 11:47:19 Operation Successfully Completed! - Duration: 00:00:12
I 11:47:19 Operation Started!
I 11:47:19 Source File: -==/\/[bUILD IMAGE]\/\==-
I 11:47:19 Source File Sectors: 3,754,768 (MODE1/2048)
I 11:47:19 Source File Size: 7,689,764,864 bytes
I 11:47:19 Source File Volume Identifier: busido 4
I 11:47:19 Source File Application Identifier: ImgBurn v2.1.0.0
I 11:47:19 Source File Implementation Identifier: ImgBurn
I 11:47:19 Source File File System(s): UDF (1.02)
I 11:47:19 Destination Device: [1:0:0] Memorex 16X-DDL-IN 1.A4 (E:) (ATA)
I 11:47:19 Destination Media Type: DVD+R DL (Disc ID: MKM-003-00) (Speeds: 2.4x, 4x, 6x, 8x)
I 11:47:19 Destination Media Sectors: 4,173,824
I 11:47:19 Write Mode: DVD
I 11:47:19 Write Type: DAO
I 11:47:19 Write Speed: 2.4x
I 11:47:19 Link Size: Auto
I 11:47:19 Test Mode: No
I 11:47:19 BURN-Proof: Enabled
I 11:47:19 Optimal L0 Data Zone Capacity: 1,877,392
I 11:47:19 Optimal L0 Data Zone Method: ECC Block Boundary
I 11:47:56 Filling Buffer...
I 11:47:57 Writing LeadIn...
I 11:47:59 Writing Image...
I 11:47:59 Writing Layer 0... (LBA: 0 - 1877391)
I 12:06:47 Writing Layer 1... (LBA: 1877392 - 3754767)
W 12:07:09 Failed to Write Sectors 1878224 - 1878255 - Power Calibration Area Is Full
W 12:07:09 Retrying (1 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (2 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (3 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (4 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (5 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (6 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (7 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (8 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (9 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (10 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (11 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (12 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (13 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (14 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (15 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (16 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (17 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (18 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (19 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:07:09 Retrying (20 of 20)...
W 12:07:09 Retry Failed - Write Error
W 12:09:30 Retrying (21)...
W 12:09:30 Retry Failed - Write Error
E 12:09:33 Failed to Write Sectors 1878224 - 1878255 - Power Calibration Area Is Full
I 12:09:33 Synchronising Cache...
I 12:09:34 Closing Track...
E 12:09:38 Close Track Failed! - Reason: Write Error
I 12:09:38 Finalising Disc...
E 12:09:39 Failed to Write Image!
E 12:09:39 Operation Failed! - Duration: 00:22:20
I 12:09:39 Average Write Rate: 2,902 KB/s (2.1x) - Maximum Write Rate: 3,621 KB/s (2.6x)