I hate Jango just as much as anyone else around here, but I fail to see how this is a bad thing. Even without ever taking the helmet off, it should look better than the current VOTC Stormtrooper's (which is a little under-sized), and it'll mean more play value for the kids and others who don't care who's face is underneath. And yeah, it should make it much easier for customizers interested in making their own "So-and-so in Stormtrooper Disguise" figures.
To sum up: Sure, Jango sucks balls, but even his head under there is better than an actual ball on a stalk, like we've got now. They've taken a figure that's adored throughout all of message boardom, improved it, and are releasing it for several bucks less than what the original cost. Surely there's dozens of other issues to complain about, than this. . .