>For devanagri, you can probably just use an existing Unicode font, like Code2000 (see link below), and just use the Character Map and something like Excel to make a grid.

Yep, that's what I'm planning. It is frustrating to have TWO devanagari fonts installed, including the one used on most Hindi-language webpages, and not know how to use them properly. I have, however, found a very good tutorial at
http://www.avashy.com/hindiscripttutor.htm, so all is not lost.