DxOmark just published the new NEX-5 and NEX3 test: http://www.dxomark.com
Sony NEX-5 review at Digitalcamerainfo.com and T3.com
Sony A450vs Sony A550 vs Canon 50D ISO comparison at Optyczne.pl
Sony 70-300mm F4.5-5.6 G SSM Interchangeable Lens Review (ePhotozine)