We are looking to create a residential and commercial property rental tracking application. The application must be able to track properties with info, renters with info, and accounting pretaining to renters and property. The accounting portion will be tracking rent due, late rent payments etc.



The application must be web based using PHP or ASP.NET 2/3.x with some flash or silverlight, with databases of MS SQL or MySql. We would like to hear your thoughts on which technology to use for best reults.