Witch Lighting setup is better? Need all the help i can get ...

Between these 2 witch one is the better set up... I have some cash to waste so I was wonder witch would you guys recommened...

Liquid Lumens and 1000w Lumatek Ballast

and i had a question what is the difference between 120 volt and the 240 volt ballast? can any one give me a simple answer other then one is double the wattage... what are the advantages and disadvantages...and i will also be adding the HydroFarm Active Air 1/2 HP and the Liquid Lumens Radiant Reflector to this setup if i go with this system...

or would this be the better system

Hydrofarm Radiant 8 AC - Lumatek ballast grow light system from Growco Indoor Garden Supply

Radiant 8 AC - 1000W Lumatek 240V Ballast

thanks again guys

Probably depends on whih cooling system you prefer.

You are wrong on the 120 vs. 240 light

the difference is one will run on 120 volt outlet and the other you have to plug into 240 volt outlet. That is the only difference.