I just got the new replica of "Tweaked" by GMP. As always, great detail. It is the earlier Tweaked and is not tubbed. This is the one that debuted at the 1992 GS! Nationals. I can post pictures if you like, or see the GMP website:
http://www.gmpdiecast.com/products/detail/8010/cat/1:18%20Scale%20Buicks/detail.html

I also got two of the new DUB City GN's (Blue and Gold).:iceslolan
Jeff