Hi, I've got another question! This wedding video lark is doing my nut in now! I've just edited a wedding and it's 1hr 25mins. It wouldn't all fit on one DVD even at a Variable bitrate so Im having to put it on 2 discs...but I've bought some 8.5 GB DVD's from a website which I thought I might try. The website said they were compatible with any drive but when I tried one it said it was an incompatible disc for dual layer only. I might be being thick but whats the difference between dual layer and single layer and does anyone know if you can buy single layer 8.5GB DVD'S and has anyone used them?