Email<input type="text" id="email" /><br />
Re-enter Email<input type="text" id="confirm-email" />

public class ConfirmEmailModel?????
{
    [Required]
    [Display(Name = "Email",ResourceType=typeof(mvc3test.Resources.Common))]
    public string Email{ get; set; }

    [Display(Name = "Confirm Email")]
    [Compare("Email", ErrorMessage = "no match.")]
    public string ConfirmEmail{ get; set; }
}

public class Person { }

public class PersonViewModel { }

public PersonController(IViewModelService<PersonViewModel> viewModelService)
{
    _viewModelService = viewModelService;
}

public ViewResult Edit(int id)
{
    PersonViewModel model = _viewModelService.Get(id);
    return View(model);
}

[HttpPost]
public ViewResult Edit(PersonViewModel model)
{
    if (ModelState.Valid)
    {
        _viewModelService.Update(model);
    }

    return View(model);
}