looking at some lights a shelving units

I want to get this
http://www.sears.com/shc/s/p_10153_12605_00997592000P
but will probably end up settling for this because of the price
http://www.sears.com/shc/s/p_10153_1...9693000P?mv=rr

and then have to make or buy some more shelving just so I can clear some space for the cars cuz normally I am surround by tools and junk that can get in the way