Q u o t e: ... I don't want to play on battlenet if fully-featured multiplayer is pay-to-play.
...
As has been stated by Rob Pardo, D3 and Battle.net will NOT be pay-to-play.
They are, however, looking at a microtransaction system for things like account name changes and server transfers and the like.
Q u o t e: The best part of waking up is the tears. I drink them instead of coffee now.