Best Allman Brothers releases?

What are the most sonically pleasing releases you've heard of Live at Fillmore East, Eat a Peach, Brothers & Sisters, etc. They seem to be available in so many formats! Anything on CD/HDCD/XRCD/SACD would be fine, but not vinyl (although feel free to provide vinyl suggestions for others who may be interested). I'm a newbie ABB collector so I can't really offer any educated choices of my own. Thanks for your help!