Well, still no luck on my shiny Wobbuffet hunt, but last night I finally got a shiny on my HeartGold game after nearly three years of playing the game (May 2010). I've had TWO (magneton and illumise) on SoulSilver, which I started after, so any shiny, even if it wasn't the one I was looking for, is fine with me. Anyway, I was browsing the web last night, and luckily looked down in time to see a little green bat appear on the screen.
It's a calm-natured female zubat, and I've named her Lutesia, keeping with the "lu-" name for shinies (very vampire-ish sound to it, too). Even though I wasn't actually trying for it, I guess she counts for the CH, since all the shiny forms have pink.
Now the only post-3rd gen games I don't have an RE shiny on are White and my restarted Diamond. I'm finally starting Black today or tomorrow (I spent WAY too long searching for Wingull), so hopefully I'll have better luck on that game. I'll keep trying for Wobbuffet, but I may start MM'ing soon.
Congrats to everyone else, too.
Oh, and just out of curiosity, does anyone know if you can SR for a shiny by the honey trees in DPPl, at least until they stop shaking? Just wondering in case I go for a burmy down the line.