DriveXML
GParted
LupoPen suite (I like lite and customize it)
SeaMonkey
Miranda
Pidgin
etoolz
Angry Port scanner
wireless netview
netwatcher
Netscan
NetMeter
ProcessMonitor
Current process
Vispa
7Plus
Quick config
RegScanner
Bart's tools
Linux live disk
Mac Bootcamp
Wine
Dariks wipe disk
A humungous USB drive not only with these tools (and more), but that will boot to Linux as well.