We used AWS. We also used Agile, but for the cost, for the availability of technical support, and for the user interface, we prefer to use Jelastic.

We did not have a previous solution.

I used AWS. The problem with AWS was, I need to make a commitment for 3 years in order to reduce the price of a ec2 instance. But a lot changes in 3 years, at the end of the second year you may want to change your instance type, like I did want to move from medium utilized server to a high utilized one but I already had contract on medium. With Jelastic I did not make any commitments and it's still costs less.