OK, so I used the O2 ipcc that's lurking around on the net, with the beta. I can send but not receive. When I phoned and emailed O2, they said they needed confirmation from Apple about MMS and the iPhone. Basically, they're not turning it on. I know some people have MMS turned on - seems to be hit and miss as to whom you speak to. Does anyone have a work around or any more information on this? The current MMS thread is heavily AT&T and is becoming full of waste.