[Image: http://www.tabarzadi.net/images/img10.jpg]RAGE DOOR
Aaaah, I wish i had a pic of my old door. Nothing like yours, but i managed to open quite some holes in there.
Only downside is that sometimes there's sharp edges. Can't feel them in during the rage, but after the steam is down... ouch.
Heavy bags are safer, but i prefer walls for some reason.