Yep, BADLY want one
I have an HK Mark23 handgun and USC/UMP conversion in .45 ACP both BEGGING for a nice can. It's like having a Ferrari but not being allowed to have the wheels on it!
Yeah...no...Can you honestly see the feds going 180 deg. in the opposite direction of where their stance is now? Not gonna happen. Even if they were legalized you're not going to see situations where the provinces would allow them for hunting use in a game habitat. If anything, spressors would be restricted to range use only.
I don't see why they couldn't become common. England (with some of the MOST restrictive gun laws in europe) allow suppressors and in fact ENCOURAGE (they are almost always approved by the police) their use for hearing safety and "politeness" AKA less noise pollution.
England, France, Denmark, Finland, germany, Norway, Poland, and Sweden all allow suppressors (many for hunting) with some or no regulations.
I believe that Turkey also recently overturned the ban on suppressors on the grounds of hearing protection. Think about it, many people are complaining about noise from shooting ranges, and when hunting you have the choice of being able to hear other people/prey and going deaf (or missing a shot trying to scramble your muffs on) or not being able to hear very well, and potentially mistaking movement from an animal to a person wearing camo. Not to mention any home defense situation completely deafening you and family members.
Suppressors ARE the most likely thing to be un-prohibited if we use these arguments. But we need to push it. It's been stated before (in a news article in fact, the toronto sun IIRC) that firearms owners as a GROUP are 10 times LESS likely to commit crimes than ordinary people, so if you go around and pay 1-2000 dollars on a suppressor for a hearing safety device, I can say without hesitation that a gun owner isn't going to use it to harm anyone or "assassinate" anybody, that's absurd.
Criminals on the other hand, can jerry-rig a pop bottle over a gun muzzle and have a one or two shot suppressor. They don't follow laws ANYWAYS, so why would they care about the legality of getting a suppressor?
If I remember correctly, the whole prohibition on suppressors was done with an extreme lack of understanding on what they were initially designed for - reducing the signature of the blast so it didn't deafen people, since back then hearing protection wasn't as easy or anywhere as effective as the ear plugs and ear muffs we take for granted.