Is this equipment ok???????????????????????????????????????

hello,
im making a 4x5 grow room.
this is the equipment/ supplies i want to buy:
LUMATEK BALLEST WITH REFLECTOR
http://www.gchydro.coM/Lumatek+Ballast++with++Yield+Master+-+HPS|MH+400.html
* FOX FARM TIGER BLOOM
http://www.gchydro.com/detail.asp?product_id=xfxfrmtiger
* CLONING GEL
http://www.gchydro.com/detail.asp?product_id=XOLIVIA
* FOX FARM DONT BUG ME
http://www.gchydro.com/detail.asp?product_id=PC-OIDB-P
* WRAPPED BLOCKS FOR CLONES
http://www.gchydro.com/detail.asp?product_id=grod15
* ONA GEL
http://www.gchydro.com/Ona+Gel+%96+Fresh+Linen+%96+Quart.html

PLEASE LOOK AND CRITIQUE MY STUFF!! PLZ FEEDBACK

Ya dude it looks super gnarcore but what you got for ventilation everything else looks stellar but with out ventilation you plants will be dead as shit. But ya throw us some details some we can helps you out. Happy growing.
Chillums

yea the reflector has a spot where i can run a inhale to cool the lights and im gunna run and exhaust at the other end. prob will have another fan for circulation inside as well as a carbon filter