Isn't it peculiar how we have mental blocks against things we are trying to decide?

Sometimes it takes a few rounds to figure it out (even though in your mind, it may already be decided--you just have to discover it since so many factors influence a decision!)
Yeah, 56 sounds waaaay too big for you...maybe good for someone who is 5'11"..... Just curious: what size Giant did they put you on?
Yay, that sounds terrific

Aren't you excited to get a new bike?
Good luck! Let us know your test ride goes (and which bike wins your heart)!