Has anyone found that using new adsense code is more difficult to get targetted ads on your site? I personally found that it is very tricky compare to the old ones. My web page using old AdSense code can get a good range of targetted ads but once I changed it to new code it is very difficult to even just get some ads showing up!

Do you know any solution to this?

No difference to me. The contextual targeting technology is still the same.

Have you found that the new one's user friendly though? Cause I don't... I found that the old one's easier to manage. Has anyone found the same?

I stopped using AdSense just after the change, so cannot really help, but the whole point in the new ads is that it helps to deliver more targeted ads?