Some benefits for using NetSpeed Bandwith Tweaker:
Faster internet connection speed of up to 300% with NetSpeed!
Rwin Booster to boost your connection even further.
Allows you to take full control over your internet connection settings.
Comes with - Rwin Calculator, Ping Tool, Tracert Tool, Ipconfig Tool, Netstat Tool, and TCP Stack Tool.
NetSpeed allows anyone to tweak their internet settings on winXP with ease there is also a comprehensive help section that can give you all the information there is to know about NetSpeed.
It explains on how to tweak with NetSpeed and also what the default settings are for winXP.