Just my 0.02 to agree with stevo and others, but this is what I'm doing after making do with a Jenson toolkit, same as all the other 40-50 dollar Lifu tool kits. I got to use the cone and headset wrenches exactly once each - cone wrenches stripped automatically, headset wrench started bending and marred my brand new chrome headset. Some of the wrenches have two sizes in the "mouth" of each wrench - smaller one on the bottom, big one on top. Also, a bunch of the stuff that comes in the set is a junkier version of stuff you already have - tire levers, screwdrivers, adjustable wrench, allen keys. For what I'm able to use with confidence, I basically got a chain tool, chain whip and cassette lockring remover in a silver box with a bunch of other bits as garnish.

Get the Park or Pedros tools one by one as you need them. Or that Performance set does look pretty Park/Pedrosoid...