Manila Airport Taxi's
Leaving the Airport at Manila you are met by either security guards (who want a "gift" for pointing in the direction of highly visual taxi ranks), and/or Taxi touts who want a minimum of 500php for a very short journey.
Coupon cabs can be got for 150php.
Many taxi drivers will not put on meters and the police don't seem to want to get involved.
Try to get hotels that offer transfers to cut out the hassle or arrange for a Philippino friend to meet you at the airport (if possible) so the Western person syndrome is quickly stopped.