
Mmmmhh, I have ADSL as well as cable, so I have great possibilities of comparing one on one.
I have the 20Mbps from VM and I have ADSL from Eclipse, although only around 2Mbps, because My phone line doesn't give me very much more.
On the DSL line I have a block of IP addresses, through which I run a number of different services, mail, webmail, VoIP, etc. where as I use the VM pipe for browsing, downloads, etc.
A few weeks ago, I was at a customer site, (I am a freelance consultant) and had a few Gigs, that needed backing up, but we didn't have anything to back up to.
It's fair to say, that with 3x 1Gbps Internet feed, there was sufficient bandwidth to upload to one of my servers.
Result: 6.5GB in 45min (which I then remotely burnt onto a dual-layer dvd to take back to the client the next day).
I know this sounds rather daft, but believe, me when I say, at the time we didn't have an alternative. But the actual reason for this post:
I have had very bad experience with NTL in the past, but when their stuff works, it works well, only when it stops working, you really have a nightmare on your hands.