Case Preserving and Case Sensitive are subtly two different things. Most case insensitive file systems are case preserving and whatever the UTF8 equivalent is I forget the name.
heh, I especially enjoy that in a huge thread about how capitalization does and doesn't matter, "gps point" was not, in fact, concerning some coordinates of the global positioning system but rather "GP's point". I first chalked it up to some autocomplete artifact but then realized what was actually happening