I have told about my experience with Apple Wireless Keyboard in several existing threads so I will not write the same again. But I suggest you try Search, which can be found from the top part of this page, under the welcome message. If you use "apple" and "bluetooth" as keywords, you will find many threads about Apple Wireless Keyboard and even more about Bluetooth keyboards in general.

Here are a few of those:
http://www.internettablettalk.com/fo...ead.php?t=8794
http://www.internettablettalk.com/fo...ead.php?t=9872
http://www.internettablettalk.com/fo...ad.php?t=13368
http://www.internettablettalk.com/fo...ead.php?t=5128