Though before I leave I will post this feat which in my opinion is more impressive and easier to messaure then that space ship feat of colossus.
http://img114.imageshack.us/img114/1690/thing20hm.gif
also this one as well, Thing arm wrestle Hulk to pretty much a stand still
http://img299.imageshack.us/my.php?image=thinghulkarmwrestle16vp.jpg
http://img299.imageshack.us/my.php?image=thinghulkarmwrestle27ql.jpg
http://img299.imageshack.us/my.php?image=thinghulkarmwrestle31pw.jpg
http://img299.imageshack.us/my.php?image=thinghulkarmwrestle44xb.jpg
http://img299.imageshack.us/my.php?image=thinghulkarmwrestle57ab.jpg
also here Thing restraining Iron man (ironman was not in control of his armor)
http://img221.imageshack.us/img221/9199/ironman8pm.jpg
http://img225.imageshack.us/img225/5853/ironman18oc.jpg
http://img225.imageshack.us/img225/390/ironman27ir.jpg
lift a massive monster
http://img225.imageshack.us/img225/6365/thing20feat20201qs0.jpg
lift a "steel and glass pyramid and throws it.
http://img225.imageshack.us/img225/3456/thing20feat20202nv0.jpg
edit maybe I wont need to post scans later, this more or less prove my points on Thing strength level compared to Colossus. He has better and more feats.