Let's face it, Rogers are pigs. They figure they have a bunch of rich yuppies who want the iPhone over a barrel, so they couldn't care less.
I notice they have finally updated their "iPhone 3G Voice & Data Packages" page with details about the "other" plans you can use the iPhone with. Check this line from the details: "If you subscribe to a plan with no data included, data charges at a pay-per-use rate of 5¢/KB for data sent and/or received over the Rogers network will apply, unless you subscribe to a data plan, which we highly recommend." (If you have a data plan and exceed the limit, the charge is 50¢ per MB for the first 60 MB, 3¢ per MB thereafter.)
Where do they come up with these wacky figures? These rates remind me of the ISP where I worked in the mid-1990's which charged people similar rates based on some bizarre formula because in those days (when a hard drive of a few megabytes was the norm), these actually >were