Welcome to the 4 way 24-70mm f2.8 showdown. Part 3 coming very soon.
LINKS:
Tamron: http://goo.gl/tjYU4
Nikon here: http://goo.gl/VLkrm (Amazon: http://goo.gl/mVhDY )
Canon: http://goo.gl/yVoNz Mark 2 here: http://goo.gl/NJs1j
Or in Australia, here: www.dirtcheapcameras.com.au
Use the code 'ThatNikonGuy ' for 2% off the lenses: http://goo.gl/I5aoJ
Find Marie here: http://www.modelmayhem.com/2592559