Interesting read by MOVOTO about Metroplex that I found browsing over the net... The Transformers' Metroplex Base Valued At $6.2 Million - Movoto
I think this is old news, I remember a thread about this subject and I believe the general consensus was it would cost that $6,000,000 to build a Metroplex yourself, but a real Metroplex would be worth considerably more... edit http://www.tfw2005.com/boards/trans.../991253-cost-build-real-life-metroplex-2.html