Yes, it's a toughie - have been tackling it these last few weeks with some support from others. Basically it's a very tough cryptic with the addition of further 'twists' to the ways in which answers are put in the grid and other 'enigmatic variations' to a straight puzzle. There are several compilers so the degree of difficulty varies from week to week, but it is always a challenge. I haven't tackled the Listener but I gather from other people it is roughly in the same category of difficulty.