Freeware - Network Usage Tracker

Now that I've migrated to o2's 16Meg download speed contract (run off bethere's ADSL2+ network) I need to carefully monitor the usage.

Now I can't remember the software that I've used so a quick search gives:

http://www.softpedia.com/get/Network-Tools/Bandwidth-Tools/NetMeter.shtml

Netmeter

I'll test this on computer 2 and see how we go, I doubt the o2 router page stats are correct...