Agreed. Thus, my campaigns firearms are just reflavored crossbows. Perhaps I will add an enchantment property called Devastating Firearm:Yes, I see your point. I think conservative is the way to go with any firearms (or other future weapons) in 4e. Making something uber powerful can get out of hand fast.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.