dartagnan, read the question. Your advice not to buy a rating comes late (the poster has one already).
I bought a rating and had a job within 3 weeks. And that was in 2002, when the market was far worse than today.
DUB 32, the Turkish companies are your best bet, but you will indeed not be kept after the hours you paid for. Best to knock on their doors in IST.
DHL (the UK one) is recruiting for LEJ and looking for 757 pilots... Follow the link on PPJN...
good luck! IP