VPS hosting options can therefore be an excellent way to test out new applications and see how they run in a live environment. Rather than setting up a separate physical server with exactly the right specifications for testing, a company can purchase a VM that will come coded exactly as they need it, and can begin porting apps over as soon as they are ready to be tested. Not only are these servers often far cheaper than their physical equivalents, but they will often deliver better value, coupled with the freedom from any maintenance – the hosting company will take care of all of those details.
http://myhosting.com/blog/2011/07/vp...uickfail-tool/