Subject: Los Angeles advice requested

If one could extend a stopover how long would one spend in los angeles and what would one see?

I am keen on Getty and Disney and the modern art museum. (Saw the studios years ago and not so interested any more.) What more should I see given my line of interst? (... more "cultural' but food and interesting shops and crafts too.) Futhermore, where is a good place to stay - convenient, comfortable and reasonable? Your assistance would be much appreciated.

Alan Grayce Sydney