I have been a sudoku fan since it started in the Times, but didn't realise until recently that the Sunday Times was running a Superior addition.
Have rummaged through the forum and found some of them, but I'm missing a copy of Superior Sudoku -
No. 4 - 21 August
no. 5 - 28 August
no. 7 - 11 September
no. 9 - 25 September
Nothing beats solving one of these beasts