Antialiasing + FastBloom incompatible on Windows?

EDIT 2:

Tracked down the problem for real this time -- looks like a Unity bug (or a bug with the default Unity Assets on Windows) Steps to replicate:

1. Create a new Unity Project

2. Add a sphere to the default scene so that the camera can see it

3. Import Unity Pro Image Effects

4. Add FastBloom to the camera

5. Enable 2X Multi Sampling as the Antialiasing Method in Quality Settings

Result: the camera view is flipped so that up is down and down is up.

EDIT:

The problem is actually related to FastBloom -- the image from the camera is flipped as a result of the fast bloom filter. I've tried adding the filter to a camera in a new scene in the same project, and the effect still persists -- the camera image is flipped upside-down when the fast bloom filter is enabled on Windows. I tried to replicate it in a separate project but couldn't. I suspect that the FastBloom resources that got included differ on Windows and OSX, but I don't know for sure yet.

I'm seeing some odd behavior with ScreenPointToRay on Windows -- it looks like the coordinates it uses for projection are inverted on the y-axis (the code works fine on OS X). Is this a bug in Unity 4.2? Does anyone have a workaround better than making a custom Windows build that displays an inverted mouse pointer and hides the real one?

 public Camera m_standard_camera; // Asssigned in the editor
 private Ray m_pointer_ray
 
 
 void Update () {
     // ........

     // On Click:
     m_pointer_ray = m_standard_camera.ScreenPointToRay(Input.mousePosition);
     GameObject under_cursor = FindObjectUnderCursor(100.0f);
     // Now under_cursor is not the object under the mouse (on Windows),
     // but the one opposite it on the y-axis. It works fine on OS X 10.7+

     // ........
 }
 
 private GameObject FindObjectUnderCursor (float cast_distance) {
     RaycastHit hit;
     GameObject hit_object = null;
     Debug.DrawRay(m_pointer_ray.origin, m_pointer_ray.direction * cast_distance, Color.yellow, 1.0f);
     if (Physics.Raycast(m_pointer_ray.origin, m_pointer_ray.direction, out hit, cast_distance)) {
         hit_object = hit.collider.gameObject;
     }
     return hit_object;
 }