There are a few reviews of them here at WHT. Do a search for "scala" and you should come across a few. From what I glanced at, they looked positive for the most part, but you'll want to do your own reading and research as well.
They even have an ad on WHT at the moment. It appears on the right >>>
I noticed that too
█ XeHost.net - Hosting websites since 1999!
█ Shared Hosting, Cloud Hosting, Reseller Hosting, VPS Hosting, and Dedicated Servers
█ End-User Support, WHMCS, and WHMReseller Available on Reseller Plans!
█ Follow us on Twitter - new special every Sunday! @XeHost