Sony NEX-5 Hands-on Review (feat. Panasonic GF1) by Digitalrev
Aristophrenia.com (click here to read the google english translation) made a very detailled comparison between the Panasonic G2
And Steve Huff is now working on the NEX-3 review: http://www.stevehuffphoto.com/2010/06/28/sony-nex-3-16-f2-8-first-look-videosamples/