I just bought a 1.5 GHz 15" Powerbook and I can't tell if the Superdrive supports dual layer burning. System profiler IDs the drive as MATSHITA DVD-R UJ-845E, w/ a DMP2 firmware rev. I'm starting to suspect its not, but I can't verify that. Does anyone on the list know? -- Someday, when the historians study how someone as accomplished as Al Gore was effectively marginalized by a party without a conscience and kept press, they're going to be amazed that any of us had opposable thumbs. - Charles Pierce