1. First thing that strikes me, is that laptop LCDs almost never have standard VGA connectors. They're most likely hardwired directly to the graphics card.
2. I doubt that they will go as low as 15KHz. I did a couple of searches, and all I found was 31KHz on Dell laptops, which means that you (at least theoreticall) can use DblPAL/DblNTSC.
3. Tip: Ask those you heard the rumour from
