xtools v1.5 has finally been released. This brings xtools up to Photoshop CS3 on WinXP and OSX. Downloads are available here:
http://sourceforge.net/project/showfiles.php?group_id=173281&package_id=207620

There's also some online info on some of the scripts here:
http://ps-scripts.sourceforge.net/xtools.html

If you do anything more than casual scripting, you'll find it worthwhile to see what's inside xtools.

-X