I'm a long time homebrew user that has just got back in to the scene. I run homebrew from my Nintendo DS and GBA. I also have a 360, PS2 and DC.
I use to post on DCEmu but I don't like the new layout.
I have created any homebrew projects myself but may do at some point. I've created a translation for Final Fire Pro Wrestling on the Gameboy Advance, PM for more info on that.