- 55 gal. standart tank = $100
- pine stand for 55 gal. standart = $120
- CF's, relflectors, balast, from AHSupply = $120 (2 wpg) or 230 (4
wpg)
- DIY hood = $10
- CO2 system = $130 (injected in canister)
- 100% Fluorite = $80
- Canister = $100 (Fluval 404)
- Plants = $40 (internet, variety pack)

Total: $800 (2 wpg) or 910 (4wpg)

Of course all of these numbers are based on the view that you must
have certain things (Pressurized CO2 system, strong water movement,
Fluorite, special bulbs).
Depending on how you manage the tank you may be able to reduce the
cost significanlty.