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It looks a lot like VMware just lost a 24,000-VM customer • The Register
(www.theregister.com)
This is a most excellent place for technology news and articles.
Xen looks great for VPS stuff, and seemed to have good support for vGPUs. That's what I'd choose as a provider. I wish I used it at home but I ended up going with good ol' Linux KVM for USB and PCI support.