I watched the second episode of The Long Firm last night. I thought it was better than the first - they had eased off a bit with the explanations. I thought Mark Strong's performance as Harry Starks was great, and I love the 1960s ambience. I bought Arnott's latest book 'truecrime' which brings some of those characters into the 1990s, starring in soap operas, selling E's and funding gangster films.
The other program I am watching at the moment is The Shield, which I think is a excellent.
Not sure why I like programs about brutal and unscrupulous characters. Perhaps, to quote Evil Rimmer, 'Because I'm not a very nice person.'