I was browsing my local Duane Reade on Nostrand Ave. and Ave. U in Brooklyn when I stumbled upon this magnificent display. GOSH is a
The display was well stocked and had testers! How amazing is that to have testers in the drugstore. I didn't pick anything up though. Prices averaged between $10 and $20. It is definitely on the pricier end of the drugstore cosmetics. I swatched the famous GOSH Darling lipstick (creamy with a sheen and a pale milky, biege color with lots of pink) and it was priced at $14. The eyeshadow palettes in the middle of the right side were around $13 if I recall correctly.
I can't vouch for stock in other Duane Reades but if my small neighborhood Duane Reade has it, chances are it's in a bigger and more centrally located one. Happy hunting!