a leased line

Should I use a secure VPN or a leased line etc… who are the best brokers for a fast connection ( Man , marex , IB ….)….? It would be great to hear from someone who has made the move to a non UK country and is trading with FAST ...
http://www.trade2win.com/boards/trading-home/48910-fast-link-market-outside-uk-ice.html

providing primarily European businesses with Web conferencing capabilities. This infrastructure based provider provides unbundled loop access to companies in some countries as a part of a “leased line” program for conferencing. ...
http://productguidecasestudies.com/archives/2009/01/02/history-of-web-conferencing-multi-function-conferencing-comes-of-age/