For Airports, Orange County/John Wayne Airport is the airport of choice. It's less than 30 mins away and very easy to get to/from, and is a LOT quieter than bigger airports like O'Hare(I've never flown to LAX, but suspect it's comparable to O'Hare)
We normally have at least one character breakfast each trip at the hotels. Paradise Pier has 'Breakfast With Minnie and Friends', Disneyland Hotel has Goofy's Kitchen with, of course Chef Goofy, and Grand Californian has it with Chip and Dale, and it is usually the least crowded of the three. Characters are very accessible at all three. Food is either by order, or buffet style(don't remember which/where, we usually got the buffet), and is very good at all three, with some unusual offerings at Goofy's.
(Mark goes digging thru the Mickey border wallpapered popcorn tin where he stores all the booklets!
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Ok, let's start with a scanned map:
Now, if you look at the map, A lot of it comes down to geography. Paradise Pier is the furthest away, as you have to walk up to that orange road to go across to the parks. The Monorail stop is not shown, but right next to that aztec pyramid under the green leaves, which is a Rainforest Cafe. The main entrances are on the right, facing each other, but the Grand Cali has one of its own to California Adventure that drops in right behind Grizzly Peak there.
As for my personal preference between PP and GC, I would go for Grand Californian, just for the location, and, imagine the Wilderness Lodge, but with Frank Lloyd Wright theming instead. Lots of geometric glass and such. It is, being the newest, the best decorated of the three. Room space is about the same at all three resorts, with the one exception being a double sink in the GC rooms. Now, the only big point for the Disneyland Hotel is it has the most kids themed pool, but the GC has one if it's own that was never really crowded when we were there.
The bulk of the good restaurants that are part of Downtown Disney are to the left of the sign saying Downtown Disney, with a few being on the other side of that purple road there.
Ok, more questions? Or do I go into the parks?