ok, if your problem is "lack of funds" and if you "really want to build your own light" ,, then why are you paying more for a light that is already built?,,
the area 51 light is an awesome light, but it is a single cob for 175 bucks, you can build your own and have 2 or 3 times the power over your single plant,
here is how
the cxa3070 cree cobs that many of us are using have come down in price, they are only $34 dollars
http://www.mouser.com/ProductDetail/Cree-Inc/CXA3070-0000-000N00Z230F/?qs=sGAEpiMZZMu4Prknbu83y0bObCPMgyC/l6eQby5L/DGQDb9TViwpOg==
and
the meanwell driver is also coming down in price and is only $16.95 basically 17 bucks,
and cob holders are less than 3 dollars each,, so you can build yourself a
and artic 11 pc heat sinks are 10 bucks or less on amazon
single cxa3070 for $64 dollars plus some cheap aluminun for the frame , around 5 bucks at home depot
2 cob DIY light cost only $128 dollars
3 cob $192 for 3 cob light,, WOW
edit, the heat sinks are even less also $8.99 so take 1 dollar of each , and the cob holders are
http://www.amazon.com/dp/B001A5V1K2/ref=cm_sw_su_dp
even less now, they are only $192, so take another dollar off,, lol
http://www.newark.com/ideal/50-2234c/led-holder-cxa30-array-series/dp/90W0065?CMP=AFC-OP