Here is a link to a column by John Shinal on MarketWatch.com.
To be fair, he is not just bad mouthing Baidu the company but also the whole IPO process for dot com shares. This is just another manifestation of opinion leaders' negativity towards tech IPO's and their profit potential.
I still haven't heard anyone say good things about Baidu on the Street, so I am still sticking with my 270 upside target (subject to revision according to these considerations). Here is my previous post on Baidu.