Re: tool - get another tool. Right tool for the right job. Tools are cheap these days.
Re: rotors - what the man said: get OEM
Re: pads - unless there is something in particular you want or don't like about the old ones, get the same. As for replacing pads and rotors at the same time opinions are split. It also depends on particular car and brake system. On my high perf cars w/ Brembo brakes, I replace them independently. Usually I use two pairs of pads for one rotor (they don't last long, the price if high performance). I do not resurface rotors when replacing pads thus keeping the rotors "primed". On my vehicles with economy brakes, LX included, pads last a lot longer and rotors do not wear the same so I tend to resurface rotors when changing pads.
The decision is not black and white, and it actually comes to actual wear patterns.