Yea I burned it on the Gateway too.
Here's the log
I 21:33:28 ImgBurn Version 2.5.5.0 started!
I 21:33:28 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1)
I 21:33:28 Total Physical Memory: 2,086,596 KB - Available: 980,184 KB
I 21:33:28 Initialising SPTI...
I 21:33:28 Searching for SCSI / ATAPI devices...
I 21:33:28 -> Drive 1 - Info: HL-DT-ST DVDRAM GSA-T20N WG02 (D:) (ATA)
I 21:33:28 Found 1 DVD±RW/RAM!
W 21:34:50 User accepted disc space warning and is attempting to underburn!
I 21:34:50 Operation Started!
I 21:34:50 Source File: C:\Users\Matt\Downloads\Windows.7.Ultimate.Sp1.32bit.x86.June.2011.(DuDe).[TeNeBrA]\Windows.Seven.Ultimate.Sp1.32bit.x86.June.2011.(DuDe).[TeNeBrA].iso
I 21:34:50 Source File Sectors: 1,724,882 (MODE1/2048)
I 21:34:50 Source File Size: 3,532,558,336 bytes
I 21:34:50 Source File Volume Identifier: lil-fella
I 21:34:50 Source File Volume Set Identifier: 5441c000MS UDFBridge
I 21:34:50 Source File Application Identifier: OSCDIMG 2.55 (01/01/2005 TM)
I 21:34:50 Source File Implementation Identifier: Microsoft CDIMAGE UDF
I 21:34:50 Source File File System(s): ISO9660 (Bootable), UDF (1.50)
I 21:34:50 Destination Device: [0:0:0] HL-DT-ST DVDRAM GSA-T20N WG02 (D:) (ATA)
I 21:34:50 Destination Media Type: DVD+R DL (Disc ID: RITEK-S04-66) (Speeds: 2.4x, 4x, 6x)
I 21:34:50 Destination Media Sectors: 4,173,824
I 21:34:50 Write Mode: DVD
I 21:34:50 Write Type: DAO
I 21:34:50 Write Speed: 4x
I 21:34:50 Link Size: Auto
I 21:34:50 Lock Volume: Yes
I 21:34:50 Test Mode: No
I 21:34:50 OPC: No
I 21:34:50 BURN-Proof: Enabled
I 21:34:50 Write Speed Successfully Set! - Effective: 5,540 KB/s (4x)
I 21:34:50 Book Type Setting: N/A (Reason: Invalid Command Operation Code)
I 21:35:14 Optimal L0 Data Zone Capacity: 862,448
I 21:35:14 Optimal L0 Data Zone Method: ECC Block Boundary
I 21:36:16 Set L0 Data Zone Capacity Succeeded!
I 21:36:16 Filling Buffer... (40 MB)
I 21:36:17 Writing LeadIn...
I 21:36:22 Writing Session 1 of 1... (1 Track, LBA: 0 - 1724881)
I 21:36:22 Writing Track 1 of 1... (MODE1/2048, LBA: 0 - 1724881)
I 21:36:22 Writing Layer 0... (LBA: 0 - 862447)
I 21:42:21 Writing Layer 1... (LBA: 862448 - 1724881)
I 21:48:20 Synchronising Cache...
I 21:48:24 Closing Track...
I 21:48:27 Finalising Disc...
I 21:49:23 Exporting Graph Data...
I 21:49:23 Graph Data File: C:\Users\Matt\AppData\Roaming\ImgBurn\Graph Data Files\HL-DT-ST_DVDRAM_GSA-T20N_WG02_TUESDAY-AUGUST-23-2011_9-34_PM_RITEK-S04-66_4x.ibg
I 21:49:23 Export Successfully Completed!
I 21:49:23 Operation Successfully Completed! - Duration: 00:14:33
I 21:49:23 Average Write Rate: 4,811 KB/s (3.5x) - Maximum Write Rate: 5,617 KB/s (4.1x)