The main difference between the 350 and the 320 are as follows…
PMW-350 = 2/3″ chipset 59dB S/N
PMW -320 = 1/2″ chipset 54dB S/N
Now thats got to give Panasonic a kick in the pants not only do Sony bring out the 2/3″ 350 but they also bring out the 320 1/2″ shoulder mount as well…not a sign of 1/3″ chips in sight !
Sadly it does not come close to EX-3 prices but if you really need that full shoulder mount kudos then two thousand pounds is a lot closer than finding £6K for the 350 and by all accounts its still a lot quieter than the EX-3.
Well… Panasonic just announced the 4/3″ sensor AG-AF100 at NAB with a $6000 price point so I ‘spose they are not to worried about 2/3″ competition at $15000.
http://www2.panasonic.com/webapp/wcs/stores/servlet/prModelDetail?storeId=11301&catalogId=13251&itemId=407080&modelNo=Content04082010101919040&surfModel=Content04082010101919040