Update: It looks like a number of Galaxy tablets getting ICS in batches. Here’s the list that we know so far. If you own and of these devices, check for updates regularly and let us know once you get the update. Thanks!
GT-P6210 Galaxy Tab Plus 7.0 WIFI
GT-P6200 Galaxy Tab Plus 7.0 WIFI + 3G
GT-P6810 Galaxy Tab 7.7 WIFI
GT-P6800 Galaxy Tab 7.7 WIFI + 3G
GT-P7310 Galaxy Tab 8.9 WIFI
GT-P7300 Galaxy Tab 8.9 WIFI + 3G
GT-P7510 Galaxy Tab 10.1 WIFI
GT-P7500 Galaxy Tab 10.1 WIFI + 3G
Samsung Galaxy Tab 7.7 owners, your time has come, Ice Cream Sandwich is now available for your device. Head on over to Kies or here to get the update. Enjoy
Thanks @rahmansallehin and Johnson C for the heads up.
