This is a very, very cool thread! Love it!
125 Gallon ¾ acrylic for 120$ Needed in tank overflow resealed, bulk heads, a lot of polishing, full stand and top, w/d sump filtration, heating. All and all I literally just got the tank itself and needed everything else.
Stand cost almost 200$ to build. That includes all wood, hard ware, sealant, acrylic for top, etc.
Lighting cost 30$ from Home Depot. Standard fluorescent 4 light.
W/D Sump cost about 30$ to construct and 45$ for the bulk heads. Another 15-20$ for plumbing (Used CHOMPERs w/d design
http://www.monsterfishkeepers.com/forums/showthread.php?t=348253)
Mag Drive 2 and Mag Drive 9.5 150$
Sand cost about 4$ and the pots were like 2$ Already had the lava rock.
These are rough estimates since I didnt keep documentation of all my purchases but after all is said and done, this cost me about 600$$-650$.
Housing one Red O, one JD, two Tinfoil Barbs, one SD, and one gibby.