“Here you can find a list with the fonts common to all versions of Windows and their Mac equivalents (in blue). This is the reference I use for knowing what fonts I can use when making web pages, I expect you find it useful too. If you want to know how the fonts are displayed in other OS’s, you can take a look to a capture of the fonts in Windows 2000 with Internet Explorer 6 and another one in Mac OS X with Safari 1.2.”