I've had a long-standing rule to avoid getting involved in any sort of crowdfunded activities. I didn't donate to Shadowrun or Wasteland, but I did buy and enjoy both of them (I'm plugging both of those games right now, just so you know they're good). I haven't...
If you have a save of Dragon Age Origins on your hard drive with the Blood Dragon Armor unlocked, it automatically transfers to Dragon Age 2 as well.
Ser Isaac's Armor set
To unlock the armor set, you have to create an EA account first and then link it with your PSN ID. Rent Dead Space 2 if you don't have it, go the main menu and it should log you into your account. Once you have done that, start your Dragon Age 2 copy and the set will be unlocked. You can find it in your special delivery chest at your house.