The guys over at xda-dev have done an amazing job getting HTC's Manilla UI ported to the previous generation of hardware.  Now that official versions of WM6.1 are available there has been great progress on getting some of the next round of apps ported and this is a fine example.  The cab file(s) and instructions for installation can be found here: 

http://forum.xda-developers.com/showthread.php?t=398173