There are a couple on ebay right now. Oh and you wouldn't happen to have any Sonic Adventure stuff made by Toy Island would you? I'm looking to buy or possibly trade please see my post "Please! looking for some Sonic adventure stuff!!!!!!"
link to a Fang plush on ebay
This place sells all sorts of Sonic plushes including ones from the Sonic Fighters series:
www.animemate.com/product...plush.html
Scroll about 3/4 down the page and you should find a $280.00 Fang plush. All the other Sonic Fighters plushes are sold out right now, but they will eventually be restocked. This place is very good at obtaining rare plushes. Here are a few other sites that occasionally carry rare Sonic plushes:
Hey thanks for letting me know the E-bay auctions.
They look great. I got keep checking on them.
Unfortunately, I don't have any Sonic Adventure stuffs right now.
Cheers,
Hey thanks for some shop information. I checked the animeate one but their Fang seems to have no paper tag attached. I'm going for the aucton ones. Let's see.
"Hey thanks for letting me know the E-bay auctions.
They look great. I got keep checking on them.
Unfortunately, I don't have any Sonic Adventure stuffs right now."
Your quite welcome 
glad I could help.
