Apple Thoughts: iPhone 3.0 Breaks Accessory Compatibility

"For those who have their iPod Touch or iPhones connected to their TVs through a third party video cable, the 3.0 update was a bad one. It appears to have disabled the ability of non-Apple cables to transmit video."

Owners that try to use the cable get the "not a valid accessory" message on their iphone. If you have the apple chip accessory cable, it appears to still work although in a different way. Now when you play video it does NOT display on your iPhone screen. This is one of the things I hate about upgrades, expensive accessories not working correctly. The only option at this point is to downgrade to previous version of the iPhone software, but I don't think it is worth losing all the functionality of 3.0 software.