Have you ever liked a font on a poster and weren’t exaclty sure what it was called? Identifont is a great website that will help you find the font that you are looking for.
It enables you to identify a font from a sample by answering a series of simple questions. It is ideal if you want to match an existing typeface, or identify a typeface you have seen in a publication. Identifont includes information about fonts from over 200 publishers, including Adobe, Agfa-Monotype, Berthold, Bitstream, Elsner+Flake, FontFont, ITC, Letraset, Linotype, P22, T.26, URW++, and many smaller foundries.
Also try whatthefont, if you still can’t find the font you are looking for.