It has been a week and things look great with the beta firmware. I updated two AP and they are working fine.

Just got a beta firmware. Will test and provide feedback.

Danymarc I knew that, what I meant is that someone from TPLink who happens to read the forum will do something about it. I just emailed their support about the issue. Lets see what they comeback with.

I am also having the same problem. I have to reboot the AP every week or so. The version is V2.4 and I am running the latest firmware (2/24/2012). Would appreciate it if TP LINK support tells us what...