You tend to dislike a provider if they don't give you what they promise regardless of whether the issue is technical or not. It makes things even worse when you realize hidden information or fine print that makes all their tall claims seem like just a stunt to grab your attention and no real value. Here are a couple providers I've found who seem to be doing this quite a bit: 4TheNet €“ There are customers who swear that they have never seen such poor service in their entire lives. Customer service is extremely poor; there have been cases where customers have tried calling them a number of times and haven't heard back from them. Some people even seem to be unhappy with their pay to surf concept. Here's one review that highlights this issue: http://www.dooyoo.co.uk/telecommunications-services/4thenet-co-uk/276637/ Demon Internet €“ Internet connectivity is extremely poor, there are some major issues with the speed, and router compatibility seems bad. Apart from this, the customer service seems non responsive. This page here is full of one-start reviews on this providers: http://www.reviewcentre.com/reviews88646.html