Is switching from BT to Sky a good choice if working from home?

Hi
I am thinking of switching from BT to Sky for cost reasons, but before I do was wondering if anyone had any problems with Sky when working from home (broadband connection reliability etc) -I use a vpn connection on a regular basis and haven't as yet had any probs with BT customer service if something does go wrong.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).