QFT2. GW is not always clear about when you MUST select one of X options and when you MAY select 1 of X options or none. Clear wording is needed.
The Eldar Codex is very guilty of this as well, specifically under the Wave Serpent entry.
3. The organization of the new codex is a frikin mess and while page numbers are listed going one direction (points page to fluff) they are not listed the other way (filled them in myself).
Again, Eldar Codex very guilty of this too.
3.1. The 'fluf' pages are not clearly organized and do not specify which units are troops, fast attack, etc.
3.2 The 'fluf' pages do not show any points cost or range which is aggravating.
At first, this took me some time to get used to, and eventually I just started remembering a lot of small details about each unit as I read it more and more (ie - how many points for certain upgrades). However, this was only with the Space Marine Codex, which for what it's worth, is fairly well organized, IMHO.
Space Marines are also the only codex I've seen that list units at the minimum amount (ie - Tact Squads listed at 90 points for the minimum 5 models), while listing additional troops by their point value, where almost every other codex out there lists each model individually. I know it's only arithmetic, but it
would save a bit of time if GW would just follow this model with each codex. It wouldn't be redundant, and it would speed game play/organization along very well.
Personally... with each and every other codex I've picked up, it's almost like reading a new language, in terms of how "organized" it is written. I share a lot of Matt's sentiments when it comes to this, since I'd really like the chance to play other armies and not have to spend a week's worth of dedicated time to learn each codex (like the Eldar one...). But I guess that's what makes 40K more "special" of a game.