LOB App with Silverlight, WCF RIA, MVVM and EF 4?

I develop in WPF with EF (EDM designer entities).

I now want to move to Silverlight+RIA, and I am looking for a turorial, video or whatever that will guide me how-to to use Silverlight RIA with MVVM using EF as the model.

I have extensive knowledge of: .NET 4, WPF, XAML, DPs, DataTempaltes, EF 4. I am familiar with Silverlight, WCF RIA and MVVM.

There are two things about LOB+MVVM I am encountering difficulties:

1. I am looking for a way to template my work, so I don't have to copy-paste the content of my ViewModels, what I mean by that is having a generic ViewModelBase that will handle a certain type of Model(s):

   ViewModelBase where TContext : DomainContext, TModel : Entity`

2. Another difficulty is the overall composition of the UI; say I have a branch of master detail that gets complicated more and more all in one screen. I want all the parts to be divided into tiny Views each for its point. The problem is, I don't know how to expose the data for the inner views, say the main view's DataContext is set with MainViewModel, and there is a property Contact in the MainViewModel; how would you set the Contact view inside the MainView, setting the inner view (the ContactView)'s DataContext to ContactViewModel AND setting the ContactViewModel's Contact to the current C开发者_Go百科ontact from the MainViewModel, what is the right technique??

NOTE: I am self-employeed, no teams and not other developers, so I don't see a reason splitting everything into modules, I don't mind if the whole project will reside in one project split into folders etc.

I always find Mike Taulty's blogs useful for this sort of thing.

So try this followed by this.

And on the MVVM side of things I use the MVVM Light Toolkit, also try watching this very good video by Jason Dolinger