hmm..... ill play. in no particular order:
chanel allure edition blanche
chanel pour monsieur (not the concentree version)
knize forest (is knize considered designer?)
YSL La Nuit - despite the reformulation
runner ups - CDG Sequoia, Terre d Hermes, Egoiste, L'homme
there are about 5 or 10 commonly available designer scents that im interested in and have yet to try though...