how many 5gal bkts under 1000hps

i looked everywhere but cant find the answer. how many 5 gal bukets under a 1000hps and still get a good yeild with out vegging forever. i seen on this web site that they were putting 9 buckets under a 1000wt. what kind of yeild could one get from this with dirt. how long a veg do you guys think.http://www.progressive-growth.com/proddetail.php?prod=cpr4-1000

IMO 9 buckets max. , 3weeks-one month veg from seed, depending on the strain

dont know yet got ak47 seeds and acess to g13 clones what would give the better yeild from the 3wk veg

anybody growing with 5gal buckets under 1 1000watt what are yall yeilding