It has recently been reported over at xda-developers.com that TomTom 7 has been shipped with some HTC Diamond phones.  This has allowed users to extract the TomTom 7 and put it up for download.

Click here to view the article and download TomTom 7 for Windows Mobile

Resources

http://pocketnow.com/index.php?a=portal_detail&t=news&id=5471

http://forum.xda-developers.com/showthread.php?t=401679