Formatting a number with commas
_ http://kb2.adobe.com/cps/142/tn_14267.html
_ http://stackoverflow.com/questions/721304/insert-commas-into-number-string

There's been several solutions to the subscript/superscript thing that involve using characters from another typeface, which I'm probably not going to use.
_ http://www.psyked.co.uk/adobe/flash/superscript-and-subscript-with-actionscript.htm

Typer Demo
_ http://labs.adobe.com/technologies/textlayout/demos/

Other: Web Typography Resources
_ http://informationarchitects.jp/the-web-is-all-about-typography-period/