The only differences that I can foresee may be whether or not the FM radio, Tethering and Hotspot capabilities will be activated out of the box. I'm sure Bell's version will have all of it enabled.
Current Daily Device(s) - Galaxy Note 2 - CleanROM 3.3
Backup Device - Galaxy Nexus* - Returned to 100% stock.
Previous Devices - Moto RAZR (xt910), EVO 3D GSM (Super Yellow Screen!, Slow Developing on GSM), 2 HTC Sensations Returned and Refunded (Dust under screen x2, blurry yellow screen, broken vibrator), HTC Desire Z* - Andromadus Mimicry v1.5.0, Galaxy S GT-I9000M SD Failure. iPhone 3GS*, iPhone 2g*, Moto Razr V3...
* Still own.