Microsoft Wireless Keyboard 2000 (2011)
Microsoft Wireless Keyboard 2000
This is new. Seems just came out in 2011.

$40 as of 2018-04-24. Buy at amazon
As we advanced into the higher-end models, the form gets stylish, function goes downhill.
Notice the F1 to F2 key are degraded further, now becoming one beatific continuous row. You need to look at them to hit the correct key.
Notice that there is no gap between the arrow keys and adjacent key blocks. LOL
Also new is that they replaced the right Windows key with a Fn key. For advanced keyboard users, this means, you are losing a modifier key.