17d It is given as incentive to buy lavish present (4.4) F---/----
18d One on a spree had sweetened curds at all times (9) J-------R
23a Old charge about utensils' development (9) ------i-n
29a Well-bred fellow takes fish (7) -----L
31a Two men taking a lady (9) ------I-A
(The initial letters of the above 'across' clues depend on the answer to 17d)
I'm stuck, been looking at them too long. Thanks for your help.
Ok shooty, we've managed to finish it, lately I've been getting stuck every weekend with this crossword.
Thanks TheWinner, Pink eye it is, I can't think why but it fits.