Powershell - 2010 deploying outlook category/color codes for calendar events

Hi, I am hoping this is possible.

We run outlook/exchange 2010.  Is it possible to deploy a custom set of mail/calendar categories with different colours to all users?

For exable all users will have a category called “social events” can be red and all “Finance events” that is blue and so on.  With 2010 these categories are stored on the exchange side on a per user basic.  Is it possible to set them using PowerShell.

I have seen a third party tools that will do, but I think it should be the sort of thing that I can scrip with PowerShell like we do with out outlook settings.

Here is one of the paid tools that will do it at a domain level: http://www.exchangecategorymanager.com/

And here is a free tool that will do it on a per user level: http://www.corrupteddatarecovery.com/File-Data/CatManSetupEN.exe-CodeTwo-CatMan-CodeTwo(R)-3,-0,-0,-3.asp

Cheers