if cheaper means worse quality, then i guess the zapper will last 100 years, cause i've had my blaster since mohh2 came out and it's still in almost perfect condition.
Just because one lasts a long time doesn't mean they all will. I haven't heard of any Wii Zappers having problems either. (Other than mine, which was partially my fault)
and the zapper takes some time to put the wiimote in, about thirty seconds for the average user. the blaster takes about five.
When I was playing MoHH2, it was the only game I played so I kept the Zapper in. Also, I never put the cord in so it took... maybe 5 seconds. And aside from that, you don't have patience for 30 seconds? Sad.
about the crossbow training, i was pointing out that it was 15 dollars for the gun (which is probably about what only the wii zapper cost) and the game (which can go anywhere from 10-20 dollars).
My brother paid $19.99 Canadian for the Zapper and Crossbow Training brand new, right after release.