Is replacing an iPhone 3GS with blackberry curve 9320 a good idea?

Is replacing an iPhone 3GS with blackberry curve 9320 a good idea?

Uh, no…

Are you serious? IPhone 3GS is much better that Blackberry Curve 9320.No, it is not a good idea…

Well yeah it is not a good idea but on the other hand blackberry has bbm

No.
Blackberry is a dying breed. Upgrade to a newer iphone like the 4S.