The Force for the Cure group has at least a few members in the 501st and Rebel Legions and the Mandalorian Mercs. These costuming groups do a lot to raise funds for charities around the world. One member of the team, TK6682, has even created pink Stormtrooper armor for the occasion:
Yes, it is spectacular. If you'd like to donate to the cause - specifically through the Force for the Cure team - you can do so over at the Race for the Cure site. If any of you are also participating, keep an eye out for the pink trooper.