Sorry Talon, but that subscribe change is a really bad news. Pretty stupid that I can't add a thread to my subscribed topics just because I started it and some people might point farm. I've already got some threads that I've started in my subscribed topics and it's really useful having them there so it's annoying not to ever be able to add any more.
Maybe the best solution would be to simply add a new tab on the VGC buddy, for threads you made? There's still room for another tab on the thing.