Gyro I have bought:

http://www.amazon.com/gp/product/B008BOPN40/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

This should work for the 32u4

http://www.amazon.com/Arduino-A000053-Micro/dp/B00AFY2S56/ref=sr_1_1?ie=UTF8&qid=1420236069&sr=8-1&keywords=arduino+micro

I used a Leonardo knockoff (same chip, larger pcb), since I had one already.

http://www.amazon.com/gp/product/B00CO07PNY/ref=oh_aui_detailpage_o03_s01?ie=UTF8&psc=1