>If you want reliability and a great feel, you cannot beat the IBM KPD8923, or even an old IBM Model M or Model F "clicky" keyboard. On the older models you'll lose the new Windows and Menu keys, but you can create a multi-key macro to replace it.
>
>No one ever got fired for buying IBM. :-)

It is true that going wireless opens the door for a series of anomalies.

Maybe I was lucky with the actual keyboard I have, which I have been using for more than 10 years now.

Thanks for the additional details