I didn't care at about MMS until the other day when a friend tried to send me a video from her phone to mine. She laughed at me when I told her my expensive iPhone couldn't receive multimedia messages. So now I want that feature just so I can throw it back in her face...
I personally don't care much for MMS, but you'd think AT&T could just forward the content to an email address rather than that stupid web site that can't be opened on the iPhone!
In any event, let me cast a vote for cut-copy-paste support. Easy to implement with a two-finger setup: hold down at the start point to bring up the magnifier, then do the same with another finger at the end point, scrolling if necessary.