I found some great links to share. I am still not sure if I should use Azure or not. It's little too expensive for my application.
http://www.structuretoobig.com/post/2010/02/09/Thoughts-on-Windows-Azure-Pricinge280a6.aspx
http://stevesmithblog.com/blog/windows-azure-pricing-and-shared-hosting/
You can use this calculator to find out the cost
http://azureroi.cloudapp.net/ and http://www.microsoft.com/windowsazure/economics/ (click on the calc)
Hope this helps someone.
