For those who are interested, this emerged recently as a possible model of the monster -
Another site (cloverfieldclues) says it isn't.
Also more info on the movie including a new teaser -
http://www.slashfilm.com/2008/01/09/cloverfield-building-a-better-monster
Teaser -
http://www.dailymotion.com/video/x40bgo_cloverfield-exclusive-breathe-tv-sp_shortfilms
Another site (cloverfieldclues) says it isn't.
Also more info on the movie including a new teaser -
http://www.slashfilm.com/2008/01/09/cloverfield-building-a-better-monster
Teaser -
http://www.dailymotion.com/video/x40bgo_cloverfield-exclusive-breathe-tv-sp_shortfilms