We use the xuron cuttors in model railroading and everyone swears by them. But the real question is what are you cutting? sheet metal, small ga wire, lg ga wire, sheet vinyl, pvc?? Different materials often cut best with different shears?
I use plain old side cutters bought from Walmart, or HD, or Lowes, etc for cutting electrical wires.
There is a 2-pack of small precision tools like you are looking for (1-cutter and 1-plier) at Home Depot ... and they are about $10-12 for the 2-pack ... and are the BEST tools ... I use them for everything on these DIY projects. They are high quality and american made tools. Super awesome at cutting off leads on boards and the pliers are amazing. They are found in the tool shack section of HD, near where they have the vice grips.