The Sensei is a phenomenal mouse. It's a testament to its performance that despite having woefully horrible button customisation and macro support, it's still one of our favourite mice.
Typical price: $120.00
For the price, the Kana actually does very well — unless you need greater flexibility over your macros, in which case you'll need to look elsewhere.
Typical price: $59.00
While there are plenty of off-the-shelf solutions that you can buy, you'll get the most reward by getting down and dirty and building your own PC. Here's a rundown of what you'll need to do.