Sweet. Are you absolutely sure of this?
I SO wish it had a mute toggle. It needs it to be perfect.
I had this question too. Android's lock screen provides swipe-switch to toggle mute, but galaxy s line has its own lock screen. I asked this question to tmobile rep when i went to check out Vibrant. Apparently the solution is press and hold the side power button and you get a pop up menu with options for switching off the phone and toggle mute and one other option which I forgot. This works on home screen as well as lock screen. Not exactly one swipe solution but its pretty easy and acceptable. Hopefully it will be carried over to epic as well.