Assume I have abstract base model class called MoneySource. And two realizations BankCard and CellularAccount. In MoneysSourceListViewController I want to display a list of them, but with ListItemView different for each MoneySource subclass.

What if I define a category on MoneySource

@interface MoneySource (ListItemView)
- (Class)listItemViewClass; 
@end

And then override it for each concrete sublcass of MoneySource, returning suitable view class.

@implementation CellularAccount (ListItemView)
- (Class)listItemViewClass
{
    return [BankCardListView class];
}
@end

@implementation BankCard (ListItemView)
- (Class)listItemViewClass
{
    return [CellularAccountListView class];
}
@end

so I can ask model object about its view, not violating MVC principles, and avoiding class introspection or if constructions.

Thank you!