Yep, and yes it's the Wifi version. If you upgrade to JB and don't like it you can go back to stock ICS via here
[ROM + Guide] All ROMS for P3110 (OTA inc.) Latest ICS 4.1.1 - XXCLK7 - xda-developers
I just wish I knew how to stop the annoying update messages. JB 4.1 on the Tab is woeful IMO.