Don't get me wrong...SPB was really pretty. I just found it too cumbersome. I found myself often times hitting the wrong icon, or accidentally tapping too long (which then edits the lay out and I would end up spending a long time trying to get the icon I had just dragged across the screen lined up just perfectly), plus I found myself having to do more navigation steps to get to the areas I wanted to be in. You can download the demo and use it for a while to see if you like it.
As for Titanium Notifications, it can be found on XDA. Here is the link
http://forum.xda-developers.com/showthread.php?t=513431
Download the file in post #2. The QVGA specific version does not work on my Intrepid. I also attached the screen shot the author posted at XDA.