It's a lot to take in, but no more complicated I feel that other games. Will take a few weeks to get up to speed with weapons etc same as the other players. But hey that's half the fun. And it's all new content, no grinding!
Gotta catch 'em all!
Seriously though, I would love to slaughter Pokemon in GTA V... just don't know about catching them.
Rockstar too clever?
Personally, I can't wait to play this!