I found a web site that has live base rock for 2.5o a lb prices are

Description: (20-lb.)LIVE BASE ROCK, is fully cured, and seeded with most of the life forms of our highest quality rock. You will be amazed at what crawls out, and grows on it in just a short period of time. This is truly what base rock should be. We put the live in LIVEROCKS. Pure calcium carbonate rock. Fresh from the ocean to you. Total cost including shipping 89.33 to your door next day..

Description: (40-lb.)LIVE BASE ROCK, is fully cured, and seeded with most of the life forms of our highest quality rock. You will be amazed at what crawls out, and grows on it in just a short period of time. This is truly what base rock should be. We put the live in LIVEROCKS. Pure calcium carbonate rock. Fresh from the ocean to you. Total cost including shipping 155.50 to your door next day..

well I want to order some if you look at the pic's the rock is full with purple
look great the web site is http://liverocks.com/index.html so let me know if any one wants to order some too, I will order 20lb for me to see how it is, :-D they also sell other types of live rock for more but better types I guess, :-D

Thanks,
Jaime