some advice.thanks ....

ok,starting a grow room .I got7ftx7ftx7ft is this any good with this room should i go with a 1000w or600w hps set-up .thanks http://cgi.ebay.com/1000-WATT-HPS-MH-DIGITAL-GROW-LIGHT-6in-AIR-COOLED-HOOD_W0QQitemZ180400056815QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item2a00ae69ef&_trksid=p3286.m20.l1116

cmon thought this was the place for Q's........

myself personally i would run at least 1 1000 hps check the calculations for your luminens requirements good luck