Just updated my original Galaxy tab with CM9 nightly with Android Ice Cream Sandwich 4.0.4 and finally the Tablet feels like a real tablet.

Loving Ice Cream Sandwich on the Tablet.

Here is how to flash the nightly build to your Galaxy Tab P1000T (Mine is Telstra 3G)

http://forum.xda-developers.com/showthread.php?t=1385153