alright so i have a really big .iso file, well not that big, but big, 7.38 GB. i dont have any dual layer dvds, but i dont want any regular dvd dl, i want dual layer rewritables, so i could save some money. here's my specs of the hardware on my mac. MATSHITA DVD-R UJ-85J: Firmware Revision: FCQ5 Interconnect: ATAPI Burn Support: Yes (Apple Shipping Drive) Cache: 2048 KB Reads DVD: Yes CD-Write: -R, -RW DVD-Write: -R, -RW, +R, +R DL, +RW Write Strategies: CD-TAO, CD-SAO, DVD-DAO Media: Insert media and refresh to show available burn speeds would i be able to erase a dual layer rewritable? and i looked and couldnt find DL RW anywhere on the web, some help please? thanks in advance.