They're pretty good, BF. My friend was playing the album yesterday while we BBQ'd and watched fireworks at The Rose Bowl. The lady singer has a very soulful voice. The instrumentals are sweet without being sickly. Sincere, good quality music. The downside is it all sounds a little same-y, from track to track. I imagine they're fun live.
She has a good voice and presence, but when we saw them the band seemed somewhat uninspired. Same-y would be a good description.
Actually, here's the show! Maybe I should watch it again.
http://www.npr.org/event/music/148530119/alabama-shakes-live-in-concert-sxsw-2012