OK I stand corrected there is a system out there and its looking good. Only three projects though but that's a start.
https://bitcoinstarter.com/ is the other one I am aware of.
I do hope people are going to use these for their appropriate purposes. For a business startup it makes more sense to use an asset exchange (bitfunder.com or btct.co or the like) - I'd love to get a few shares of the next Apple
. But the crowdfunding platforms are great for things where there isn't any expected return on investment, like an art installation or if someone ever figures out what Tesla wanted to do for distributing free power.