If you ever want to export site columns from an existing site collection, you might find yourself in a bit of a loop, since its quite hard to get a nice ‘export’ of all those columns if your no developer. So when I found out Gary had done that before I thought it was worth a blog.
Just some plain information about ‘exporting’ site columns from an existing site collection:
http://stsadm.blogspot.com/2008/02/export-site-columns.html
The actual download can be found here:
http://stsadm.blogspot.com/2009/02/downloads.html
I did blog before about them extensions and the use of them in case of Ghosting.