I am VERY happy with the adjustable bed base.
Really heavy box like many reviews stated.  Like anything else that comes it pieces, it was a challenge to put together and as many reviews stated some of the holes on the wood base did not line up.  So, here's is my solution:  As with many put together pieces of furniture, I found that loosening up the bolts holding the two metal bases on both sides (4 bolts and nuts) and the two bolts on either side (4 total) of the articulating mechanism, gave me just enough movement to line up the holes in the base.  Tighten the bolts for the wood base to the metal frame and then re-tightened the 8 bolts/nuts on the base.  It worked like a charm.  Very happy camper here!!!