I'm getting started with FubuMVC and I have a simple Customer -> Order relationship I'm trying to display using nested partials. My domain objects are as follows:

public class Customer
{
    private readonly IList<Order> orders = new List<Order>();

    public string Name { get; set; }
    public IEnumerable<Order> Orders
    {
        get { return orders; }
    }

    public void AddOrder(Order order)
    {
        orders.Add(order);
    }
}

public class Order
{
    public string Reference { get; set; }
}

I have the following controller classes:

public class CustomersController
{
    public IndexViewModel Index(IndexInputModel inputModel)
    {
        var customer1 = new Customer { Name = "John Smith" };
        customer1.AddOrder(new Order { Reference = "ABC123" });

        return new IndexViewModel { Customers = new[] { customer1 } };
    }
}

public class IndexInputModel
{
}

public class IndexViewModel
{
    public IEnumerable<Customer> Customers { get; set; }
}

public class IndexView : FubuPage<IndexViewModel>
{
}

public class CustomerPartial : FubuControl<Customer>
{
}

public class OrderPartial : FubuControl<Order>
{
}

IndexView.aspx: (standard html stuff trimmed)

<div>
    <%= this.PartialForEach(x => x.Customers).Using<CustomerPartial>() %>
</div>

CustomerPartial.ascx:

<%@ Control Language="C#" Inherits="FubuDemo.Controllers.Customers.CustomerPartial" %>
<div>
    Customer
    Name: <%= this.DisplayFor(x => x.Name) %> <br />    
    Orders: (<%= Model.Orders.Count() %>) <br />

    <%= this.PartialForEach(x => x.Orders) %>
</div>

OrderPartial.ascx:

<%@ Control Language="C#" Inherits="FubuDemo.Controllers.Customers.OrderPartial" %>
<div>
    Order <br />
    Ref: <%= this.DisplayFor(x => x.Reference) %>
</div>

When I view Customers/Index, I see the following:

Customers 
Customer Name: John Smith 
Orders: (1) 

It seems that in CustomerPartial.ascx, doing Model.Orders.Count() correctly picks up that 1 order exists. However PartialForEach(x => x.Orders) does not, as nothing is rendered for the order. If I set a breakpoint on the Order constructor, I see that it initially gets called by the Index method on CustomersController, but then it gets called by FubuMVC.Core.Models.StandardModelBinder.Bind, so it is getting re-instantiated by FubuMVC and losing the content of the Orders collection.

This isn't quite what I'd expect, I would think that PartialForEach would just pass the domain object directly into the partial. Am I missing the point somewhere? What is the 'correct' way to achieve this kind of result in Fubu?