Uk4dee - Sorry I should have been more specific - I was refering to the In Game Ads.
The IAPs work now, however they take forever to process. When I hit Buy (Purchase IAP), it takes about 20s for me to be prompted for a confirmation. It then takes another 20s before I'm prompted to enter my apple password. Then it takes another 20s for the purchase to complete.
In total the whole process can take more than a minute <img src="smileys/smiley11.gif" border="0" align="middle" /> Does anyone else get this problem?