The sense of Entitlement from Hillary's supporters in 2007 (well before the primary had happened), was one of the reasons that she lost in 2008. This is an election, not a coronation.
You can support your candidate, I will support mine. I will support the Democratic nominee in the general election, I hope you will too. This "Hillary is the only choice, deal with it", bullshit more than 18 months before the election isn't doing her candidacy any good.
I have never voted for a Clinton in a primary election... I think Bill Clinton was a skilled politician, but he did a lot of things that pissed me off... from obvious sleeze, to failed policies like "don't ask don't tell", "welfare to work". I don't think a Hillary Clinton presidency will be very much different.
I hope I don't have to vote for her.