Since I need my MBP in the office and I have to enter frequently long sequences of digits that consideration either ne complete Apple Keyboard with numeric keypad was to buy or even the purchase of a x-any USB numeric keypad. This found here and found in the price (5) for cheap.
Conclusion: + Adjusts color to MBP (aluminum look) + Plug & Play + Rubber feet
- The extra button above right have Mac OSX no function, but does not bother me because the Mac anyway the Dashboard key has -D