99% of Safeway locations have $500 PayPower MCs, but only a very limited number of 7-11s (trust me, it is very difficult to find one) sell $500 OneVanilla MCs.
Yup, you need your name, email and address to register your card online.
I tell everyone Cobalt is great, if you can take advantage of the 5X categories, and it is even better if you love SPG (average 3-4 cents per point!!!).
Scotia Amex Gold is good too if you drive frequently and buy a lot of tickets on ticketmaster.