I have many CNC goodies on ebay for sale, including several encoders, some of which are 80,000 counts per rev!!!

Heres a summary:

Stepper motors, some with built in controllers
Several encoders from a few thousand CPR to 80,000
Stepper motor controllers including very advanced ones with encoder inputs and command line control
A 10,000 rpm brushless motor

Check out my items here: | eBay