my365host uses them for their hosting services - I don't think he has any problems - or not any I have heard about.
And I think openVservers use them as well - but im not sure about that one.
P.S
I LOL'd at http://webxhost.net/
Nice RIP of www.hostnine.com
Edit:
http://www.webxhost.net/billing/cart.php?a=add&pid=3
Another RIP? Or are you just re branding? lol
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