You can try <a href="http://www.eduweb.com" target="_blank">www.eduweb.com</a> and <a href="http://www.kaboose.com" target="_blank">www.kaboose.com</a>. Kaboose will link you to other sites that may have inappropriate content but it's good to always be nearby with kids and the internet. On eduweb, go to the k-3 grade section. You'll need to help her a little more than with Starfall and PBS.
I borrow dvd games from the library and my son loves them. I also have a timer by the computer and let him play only 20min at a time otherwise he could play all day <img alt="" class="inlineimg" src="http://www.mothering.com/discussions/images/smilies/orngtongue.gif" style="border:0px solid;" title="Stick Out Tongue">