The title says it all. Stuff's in my way. I can't see. Can I fix this?
No. Diablo history is the main reason why.
Jay Wilson explains in at http://gamingbolt.com/diablo-iii-game-director-isometric-perspective-vital-for-the-game-and-wont-change.
You cannot rotate the view but you can change it a little bit by pressing the Z key (or whatever you bound to Toggle Zoom).