If you are for a shakeup of our political system, then vote trump or sanders. If you want things to remain the same, then vote for an establishment candidate (Cruz, Rubio, Hillary). The facade that anything will change with an establishment candidate is pure caca while there is at least a 10% chance Sanders will shake some things up via executive order (but most legislation will be blocked via Repub Congress) and a 40% chance Trump will shake things up via legislation with a Repub Congress.
All in all, I'm happy with the stat quo because I don't want taxes to go up and I'm in the top 5~ percent in the country in household income. Trump (if he wins the nom) would preserve my elite status (and possibly even enhance it) while lowering my premiums by striking down obamacare. Basically whoever wins the Repub nomination is who will get my vote, but I wouldn't mind seeing Sanders win just for the lulz of hillary's concession speech and the lulz of how much he'll get cockblocked by a Repub congress.
Summary: This vote isn't really about who is running but about which party will win. If Repubs win, obamacare is gone with a Repub congress. If Dems win, they'll get gridlocked by the Repub Congress. So it's really about whether you're for or against obamacare.