I used to be an active member on that forum, (Insomniac, I think I've a reply on page 2) You could hear the jaws dropping all around the world when Mike posted that car! The chap's work is on a another level compared to most of the builds on that site. He's also got a great Mini Cooper, complete with A series engine, and an AE86 with the 4AGE engine as well.
http://www.scale4x4rc.org/forums/showthread.php?t=23630Lotus 7 build.
http://www.scale4x4rc.org/forums/showthread.php?t=4443I have the same basic Tamiya kit at home, I'm hoping to get started soon, and while it won't be anything as detailed as that build, it should keep the MX5 cravings at bay for a while...