I have come across stuff about her on a number of occasions: a Christian-Right type who has been called 'the British Sarah Palin'; obsessed with abortion; vicious toward other MPs who disagree with her (and just as teabaggers hate nothing more than a liberal Republican, her most vehement hatred is for John Bercow).
But this:
http://barthsnotes.wordpress.com/2010/10/11/nadine-dorries-vicious-and-ridiculous/ reflects a particularly nasty personal campaign against a political opponent in her own constituency, accusing her of being a benefit-cheat (though the opponent says that she has never claimed benefits) and implying that she is 'faking' disability because she tweets and has some social life. I have not just relied on the comments about her, but have read her own recent blog posts.
Judging by Dorries' own record in the expenses scandal, she is the last person who should be accusing others of over-claiming on anything; but over and beyond that, one of the things that most depresses me about Tories is that some of them have a very harsh attitude to disability - and vulnerability of any sort - and encourage such mean-spiritedness in society in general. She seems to be an extreme example of such an attitude.