what the lfs sells is not dead, just scrubbed, it has no algae on it any longer, but it will regrow, trust me, i have done both, if it is sold as live rock, it is live(maybe brown and ugly at first)
i have no problems ordering on line, one draw back is, mny places will send you what they want, one time we gto a box full of fist size and smaller pieces, alot of them
many places may let you request your rock, be sure to ask, especially if you have an idea what you want, i like going to the lfs and hand picking the piece i want, size and sahpe is entirely up to me then, and i do not care if it is brwon looking, there is no if any ammonia spike from die off, and has lots of life, many worms and feather dusters, lots of caraline and macro algaes too,but hey had to grow, jus tlike the other stuff), the major drawback there is price
and i have heard nothing BUT good things about swf's rock, and the prices are very reasonable, 50 lbs for 200(shipping included)
HTH