I'm using a Creative Live! Wireless camera.
She's back on the upper nest now [May 2008].
The upper nest was used in May and December 2007, and in March 2008.
The lower was used in February and April 2008.

---

Here's the setup for the May 2007 brood.

---

She built the last nest (January thru February 2008) on top of one she used a year ago.

---

January 2008 setup:

---

You can see the January setup below. The nest in the upper right is the one she's in now.

---