There are plenty of cheap computer mice available on the market. Not all of them are designed for serious designers and gamers. These 3 programmable mice have a number pad to help you do more:
CORSAIR Scimitar Pro RGB Mouse: comes with a 16000 DPI optical sensor. It comes with 12 mechanical side buttons and on-board memory for macro playback and 3 gaming profiles.
Commander: a 17-button programmable mouse with a number pad on top for CAD, accounting, and gaming. It has a memory for mac/script editing. You can customize the settings using Bloody software.
Venus Gaming Mouse: a 16400 DPI high precision laser mouse with 18 programmable buttons and 5 custom profiles for each. It has a custom weight system to match your playing style.
Have you found better programmable mice with a number pad? Please share them here.