This is the first official ICS dump for P7300 in a CWM flashable format.
It's based on the (yet unreleased/test) OTA update for P7300ZSKK2 (BRI, Taiwan). The research log about how to apply .bin OTA files can be found here: here
Galaxy Tab 8.9" P7300 (confirmed by me) / P7310 (confirmed by whitehart)
Galaxy Tab 7.7" P6810 (confirmed by sebi1964)
Other Galaxy Tab series, including 10.1" (lot's of complaints on XDA, please confirm in this thread)
There are (leaked) OTA updates for Samsung devices floating around.
These files have the .bin extension, but can different types: RBMT multidelta and .zip archives.
The information in this thread are related to RBMT multidelta (RedBend update agen...
P7300XXLQ6 based version coming this weekend :)
Here's the modem (P7300XXLPY)