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Very negative review - http://www.the-best-web-hosting-service.com/virpus-review.php - Virpus wiped their system no backups, downtime.
Another negative review - http://www.hostcult.com/2010/03/review-virpus-hosting.html - Downtime
Consolidated Reviews of Hosting Sites
http://www.similarsitesearch.com/alternative/vpsland.com - lists hosting companies like vpsland.com
http://www.webhostingstuff.com/category/Server-Hosting.html - reviews