First of all, I'm a Network Engineer.

I've had 3 ISPs in the last 12 years. Pipex, Be, and SKY
Pipex were great. Until they got bought out.
Be were brilliant, right up until I left looking for a cheaper deal
Sky? Sheesh, absolute nightmare.

two week long outages with me doing all the chasing for updates/progress
Unsteady line and long outages. I don't think it's ever been up for 24hrs without a break.
Apparently it's always Openreach to blame, which is odd because Be was down only twice in the wee hours, in the entire 4 years I was with them.
No offer of compensation when I told them I couldn't work from home.

Absolute worst ISP I have ever been with.
I strongly recommend you think twice.
What's cheap isn't good and what's good isn't cheap.
I'm moving back to Be at the end of the month.