-The T-rex is all polys
-The shark is nurbs (plus is still being corrected for sound)
-The house is a bit old and outdated, maybe wait for the nurbs car tutorial for that one
-The mech shows rigging... I would suggest downloading mikes character rig tutorial as it shows you all the way through including painting weights and blend shapes
-The monster head is a massive project but does show a lot
- The cyber dog rig is a very advanced rig setup, with set driven keys all over
- The sword modleing seemed to go down alright as I did see a few wips (this is nurbs)
- theres a new cps modeling one that is really clear and easy to follow!
- The walk cycle (new one) Is very good to, takes you through the whole walk with body movement!

So best thing is decide what you want to go for.... Just sit there and practise mate!!