I got the free account about a year ago.(It was hard to get it at that time. Lucky me!)
I use it almost every day. I've never experienced failing to connect to the servers instantly. The US servers have never slowed down my original speed.
According to their blog, they seem to fix it whenever their IPs are blocked, while most VPN providers give it up. I'll definitely buy it from them if my favorite site block my IP, because I'm sure that they know how to fix it and I can count on them.