Find an alternative to Arial Unicode MS.

[geckzilla]

Do away with all Arial Unicode font anywhere where user input is allowed to be displayed. Make a distinction between lowercase L and uppercase i.

Here are some alternatives:
http://en.wikipedia.org/wiki/Bitstream_Cyberbit
http://en.wikipedia.org/wiki/Bitstream_Cyberbit#TITUS_Cyberbit
http://en.wikipedia.org/wiki/Code2000
http://en.wikipedia.org/wiki/Lucida_Sans_Unicode
http://en.wikipedia.org/wiki/Doulos_SIL

And a big table of unicode fonts with comparisons listed here:
http://en.wikipedia.org/wiki/Unicode_typefaces