They will urge you to setup and verify your account in order to avoid the lengthy five day wait for your transactions to complete, but even when it is verified you then have to wait another 24 days. All this time you are restricted as to how much you can buy on a given day. See message from Customer Support below. Bottom line, if you want to buy Bitcoin in a hurry, do not waste your time here.
" Tom, I see you have completed all the verification steps necessary for instant buy. Your current limit for instant buy is $100. This limit will increase in 24 days when your first successful purchase reaches its 30 day mark. Your limit will then increase to $1000 instant buy. Unfortunately, there is no way that we can expedite this process so I apologize for any inconvenience this may cause you. "