problems posted with regards to unstable wireless conection with airport and Snow Leopard was due to the need to update Airport's firmware.
Just a quick question: Was it working fine with the previous version (Leopard or Tiger)? If so, as mentioned in my post, updating Airport first, cheaper than going to change the internal wireless card in your Macbook Pro.
I've been having some problems with the wireless on my MBP (running 10.6.2) for a while now; I never have a stable connection with an access point.
At first, I thought it might be the access point, so I changed it and bought a an Dual-Band Airport Extreme Base Station. But, the problem remained there. However, the AEBS helped me troubleshoot this problem more. I used the log graph in Airport Utility, and found this: www.ahmadtawakol.com/airport.jpg
The red line is my laptop, and the blue line is another Late 2006 MBP (running 10.5) that's placed right next to mine. I took this screenshot AFTER switching Airport Cards between both laptops. So this means that the problem is not the Airport Card. Which leaves me thinking that it might be the antenna itself. I already asked if I could have the antenna replaced, and it doesn't come separately, its part of the display.
Has anyone else had this problem before? Anyone knows how to fix it?