I don't know if you've seen these two before but they just blew me away...
Classics Fort Max http://www.corvusonline.net/customs/...csFortMax.html
Revoltech Soundwave http://www.flickr.com/photos/revlimi...7601501540404/
And one of the worst repaints ever done (utterly indescribable)
G1 Towline http://pcwr.kt.fc2.com/top13/log192.htm