Watched a movie recently, and I think it was called "2 Hours of Crappy Melrose Place with Ten Minutes of Cameos by Transformers that can Drive from the Hoover Dam to Detroit in Seconds!"
That's a long title. Maybe that was the working title. Anyways, here's my favorite transformation sequence from this movie (that I'd rather forget):
http://www.willitblend.com/videos.aspx?type=unsafe&video=transformers