My Eclipse For Spring offers a plethora of solutions for developing reach through for flex front end and Java back ends and services.
While the MES tool is really neat and powerful its initial usage can be daunting because there is no how to explaining its successful usage.
To start create a new web project in MES. Right click on the project traverse to the Change/Add project type and add the flex project capability.
Return to the MES personality and add scaffolding. Now when you click on any flex deign view the code works just as it does in a native flash builder project.
Below is a video that demonstrates basic CRUD functionality.