Me and Grim are gonna give you a run for your money in the cleaning stakes... Heidi's hubby will be doing his usual Sponge and Gravel fettle of hers I'm sure. :devil:
Re the OP's question, another vote for leather wipes of some description. I bought an orange pack from Halfords, claim to have some kind of wax or oil in them, seem to do a nice job on the seats/gear knob/steering wheel. I keep them in the car and utilise traffic jams for a quick clean.