>It's interesting. I use the numpad-5 key too often for center-current-line-in-edit-window.

This guy has really pushed it to obtain what he wants:

http://www.avsforum.com/t/1177126/standard-wireless-keyboard-without-number-pad

If you look in the mid page, you will see an image he sent titled "Standard Windows Keyboard Layout - Windows Natural Keyboard". Over the years, providers have came out with new fancy layouts changing the location of keys, etc., making our life miserable.

But, just below that section is a keyboard which is very close to that.

It is this one: http://www.amazon.com/Filco-Majestouch-2-Tenkeyless-FKBN87M-EB2/dp/B004WOF7QM, but not available in wireless.