Along with the integrated on-board debuggers on TI's dev kits, this is one of the few external debuggers that work on your own board designs with the free version of TI's Code Composer Studio IDE. There is also a V3 of this tool.
http://processors.wiki.ti.com/index.php/XDS100
Thanks, I'm looking at trying out the TMS320F28030 hopefully the ebay clone wont give me to much trouble.
If you haven't found it already, the best source of information on anything TI microcontroller related is
http://forum.43oh.com/