How much does an iphone 4s cost without a plan?

I'm on the rogers family plan and i have an HTC Desire C but its old and broken and i hate it. I can't even text anymore, on boxing day i'm taking all my money to buy a new phone, how much would an iPhone 4s cost

$599 according to their site

http://www.rogers.com/web/link/wirelessBuyFlow?forwardTo=PhoneThenPlan&productType=normal&N=52+11+279