Yes it also hangs on SL disks. Heres the log for it.
I 18:02:55 ImgBurn Version 2.4.4.0 started!
I 18:02:55 Microsoft Windows Vista Home Premium Edition (6.0, Build 6000)
I 18:02:55 Total Physical Memory: 2,096,064 KB - Available: 1,403,856 KB
I 18:02:55 Initialising SPTI...
I 18:02:55 Searching for SCSI / ATAPI devices...
I 18:02:56 Found 1 DVD-ROM and 1 DVD