Not sure if this has been posted or not...
But check out this:
http://forum.xda-developers.com/showthread.php?t=687078
It is a cool add-on taken from the HTC Wildfire. It enables all the HTC 2.5 Sense tabs to be opened up in a single screen. Then a tab can be selected instead of scrolling through.
Reminds me of the Mac Os X app Expose.