here's my log and I use Sony DVDs and have never had a problem in the last few years that i've been using imgburn until I installed this latest version.
I 17:43:36 ImgBurn Version 2.4.4.0 started!
I 17:43:36 Microsoft Windows Vista Home Premium Edition (6.0, Build 6001 : Service Pack 1)
I 17:43:36 Total Physical Memory: 3,074,504 KB - Available: 1,386,372 KB
W 17:43:36 AnyDVD can interfere with ImgBurn's ability to verify accurately, please ensure it's disabled!
I 17:43:36 Initialising SPTI...
I 17:43:36 Searching for SCSI / ATAPI devices...
I 17:43:36 Found 2 DVD