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Though I'm sure this has been said, visit this page - http://wiki.secondlife.com/wiki/Vendor_systems_comparison - for a comparison of systems. I wish this had been around when I was switching ages ago. I still would have made the same choice but at least seeing it laid out like this, I could tick things off my list more efficiently. Price is a factor yes, but also look at what that company is doing on top of their system to make it run efficiently and/or what else they're offering.