Try neoxed's scripts at:
http://code.google.com/p/nxscripts/downloads/list
You can grab the 1.2.1 release of nxtools from there. You probably don't need to install the tempfix you downloaded before since I think that only checks free space during PRE events and you won't have them.
ioNinja can be gotten from:
http://odog.tx-shells.net/