This sounds much more to do with the amount of time/effort you've spent on the particular editions than in any difference of complexity between them. Folks who've played lots of 4e from day one can build characters from memory too. They might not know every option from every level--same as even hardcore 1e players are unlikely to recite every spell effect from memory--but they'll know enough to jot things on a character sheet and get playing sans books.
4e (and I would say 3.x in general though with the understanding that I haven't really studied it much) is VASTLY more complex than AD&D, Basic, or OD&D. I can't even comprehend how someone could come to any other conclusion with a straight face. Either you haven't played AD&D or your memory of the system has been badly clouded by time.
@ TV: Good points...
I like to think of Pathfinder as Advanced Advanced Dungeons and Dragons, and for people into that, Essentials will not appeal too much. But there may be many, even millions, of the retro but curious that it could theoritically appeal to.
You say that in jest but I could literally almost dictate word for word the content of the 1e PHB from memory, lol. There are a few of those numbers I'm not 100% sure about, BUT I HAVEN'T PLAYED 1e IN 20 YEARS at this point and I can still write up a character sheet pretty much from memory. It was a LOT simpler. Thieves have from memory Pick Pockets, Open Locks, Remove Traps, Hide in Shadows, Move Silently, and Climb Walls.
Level 1 fighter hits AC 9 on an 11 (well, actually all classes do at level 1 they're all the same).
I can go on. Back when that was our primary system I absolutely could give you the numbers for all classes at all levels for all that stuff. I could give you MU's chance to know spell and min/max spells known values for every INT score as well. % spell failure and bonus spells for clerics by INT, all the ability score mods for all scores, etc. It really wasn't that hard. I can still probably tell you the stats for every weapon and armor type and most magic items as well.
Sure, you can click on "take the defaults", make a few selections that doesn't cover and switch a power around, you won't be figuring out your character's best choices based on desired feat and power progression, etc.
I mean basically you have a pre-gen.
I am relatively certain the equivalent code in the 4e CB is around 100x bigger than that.
I'm not bashing 4e at all, but I think that they came up with a great core design and then they messed up in a few relatively small areas. Unfortunately those areas have a big impact on the appeal of the game.
There are simply WAY too many feats and powers in 4e. They should have been MUCH more careful about minimizing the numbers of slight variations of things and designing each one so it had maximum utility for the most use cases vs making 10 very similar things.
Powers should have stuck with a much smaller set of variations of buffs and debuffs and such and been more individually distinct.
I mean, it is great to have options of all kinds. The problem is at a certain point option bloat just kills your system for the players. Nobody can really comprehend all of what is available now in CB and no group in 100 years of play could even come close to using the vast majority of it.
THAT more than any other thing IMHO is the reason for the existence of Essentials. It is a great idea. Put out a bounded subset of the system that will never grow out of control because it is always just basically 5 small books.
Most groups never need more. They will be happy with that.
Er? You disagree that an experienced 4e player can create a character without her books? Is that a challenge or something?Sorry, I've played every edition except 3.x basically and I'm just going to have to totally disagree with you here.
It's just an example of someone trying to start yet another edition war. The comparison of pre-4E to 4E anything has absolutely no place here. My recommendation is to ignore all the posts by AbdulAlhazred in this thread. Just look how riled up Neonchameleon got.Er? You disagree that an experienced 4e player can create a character without her books? Is that a challenge or something?

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.