I can recommend (I would say this wouldn't I!) a press release we sent out on Monday regarding the SARB time bomb about to affect lettings companies, lenders et al... you can read one of the articles here
www.ricsbusiness.com/feature/article/sarb_storm or see The Negotiator, Mortgage Strategy or Estates Gazette....
I would be interested to hear from those involved in lettings if they have considered this problem? Certainly one of the UK's largest hadn't when I spoke to their Director last weekend!