Up to you. I had one for around two weeks - the very first day the node went down for over 12 hours - still not sure what the exact reason was, but from what I remember it was a bs reason. The VPS seemed very slow and unresponsive and kept getting worse every day. Eventually I got tired of it and cancelled.
But yeah, it's up to you. The owner is very active on WHT and apparently has a good reputation.
If he has right ,i would not even try to pay a vps and even if i didht have money i would way to buy a legit one.imagine to have a vps and being down every 30 minutes :S