If you haven't been over at TV tropes yet, it's a website dedicated to "tricks of the trade for writing fiction". The stuff on there is always a fun to read. Here's their page for MD http://tvtropes.org/pmwiki/pmwiki.php/Main/MulhollandDrive

Scroll down to the section "This film contains examples of" to see a list of movie conventions found in MD. Make sure to enable spoiler messages by activating the option here http://tvtropes.org/pmwiki/profile.php

Happy browsing