Go to DeMask.com http://www.demask.com/dynamic/sitemap.asp?Language=en
on Fetish Gear , upper right of thre page, click search
a new window opens, in "style description" type "nurse" give it time to load
Their stuff tends to be expensive, but VERY GOOD.
Madonna, Janet Jackson and I shop there. DeMask is my favorite store.
You might also check out these:
http://www.bondagefetishstore.com/mm5/merchant.mvc type "nurse" in the search box
http://www.fetishwear.com/Fetish-W-PVC-Nurse.htm
http://www.safesafe.com/mm5/merchant.mvc?Screen=CTGY&Store_Code=shop&Category_Code=womens_nurse_costumes
You're close enough to NYC. Just go to the areas around Christopher Street and Chelsea. There are tons of sex stores there that would have things to your liking.