Nikon PMA 2010 new products:
Nikon Coolpix P100
Nikon Coolpix L110
Nikon Coolpix S4000
Nikon Coolpix L22
Nikon Coolpix L21
Nikon Coolpix S8000
Nikon Coolpix S3000
Nikon TC-20E III
Nikon AF-S NIKKOR 16-35MM
Nikon AF-S NIKKOR 24MM F/1.4G ED
Nikon AF-S NIKKOR 300mm f/2.8G ED VR II
http://www.dpreview.com/articles/pma2010/Nikon/
Sigma PMA 2010 new products
Sigma 17-70mm OS for Sony and Pentax
Sigma DP1x
Sigma DP2s
Sigma 70-200mm EX DG OS HSM
Sigma 8-16mm F4.5-5.6 EX DG HSM
Sigma 17-50mm F2.8 EX DG OS HSM
Sigma 50-500mm F5-6.3 DG OS HSM
Sigma 85mm F1.4 EX DG HSM
Sigma SD15
http://www.dpreview.com/articles/pma2010/Sigma/
Olympus: http://www.dpreview.com/articles/pma2010/Olympus/
Samsung: http://www.dpreview.com/articles/pma2010/Samsung/
Sony: http://www.dpreview.com/articles/pma2010/Sony/