VOIP? Whats best to use?
 

I am looking to setup either a USB phone or one of these:

http://cgi.ebay.co.uk/VOIP-USB-TO-RJ...QQcmdZViewItem

I am not sure which is going to be best? is anyone already doing it?

I am using Sipgate, VOIPbuster and the Xlite software for completly free calls :) also got a new free telephone number!