Not sure what the rest of the country has to say but my local O'Reilly's says they are either not producing or don't have any Group 34 or 34/78 AGM batteries anymore...
...I have the Odyssey Extreme in my CJ, they have been great, but they are sold out or no longer available as well...
...Napa next best thing?
edit: Batteries Plus has their X2 Extreme series and is made by the same company that make the Odyssey battery which is Northstar. $369 with a 4 year free replacement...I think I might go that route...