Shoutbox

I don't (didn't) have office installed. I know a spellchecker script was in development using the translation files supplied for use with FireFox.

It does sound like this script has a few bugs that need to be fixed before it'll be used by too many people, or before it's even fully functional. As for colour tags, just add an option to add them to the dictionary using the API. Use a for loop to add "[c="+i+"]" to the dictionary and also add the IRC equivalent as well as closing tags