Set to WPA-personal
Switch Cipher to AES only
Set to Automatic transmit rate
Set to Auto 20/40 MHz
WPA mode Auto (WPA or WPA2)
Key update interval 3600
use passkey that's at least 8 characters
Save settings
Restart router
Wait about 2 minutes
Grab ipad, go into settings, go into wireless
Find SSID and select
enter wireless passkey you selected above
Works like a charm with iphones (3G, 3GS, iphone4), ipads, ipod touches