I was reading the
'HD TV, should you or shouldn't you' posting, when I thought this website might help some people -
http://www.saynoto0870.com
It allows you to search for free phone or cheaper geograhic telephone numbers when you need to ring Sky etc. I know that you can be on hold to some companies for ages, and with a 0870 or 0845 number it can cost a lot of money. Also, as lots of people pay for their telephone calls as part of their rental package anyway, it means you can call most companies for free.