I use the sacred bow, Wooden Shields get one shot, Iron Shields take 5 arrows doesn't matter where you hit them, 5 hits in the head or 5 in the leg I experimented, and makes no difference.
End of 2009 Predictions (Set, January 1st 2009)
Wii- 72 million 3rd Year Peak, better slate of releases
360- 37 million Should trend down slightly after 3rd year peak
PS3- 29 million Sales should pick up next year, 3rd year peak and price cut