first of all - my husband and i have seperate bank accounts. we dont really "share" money unless one of us needs it - usually me lol!
we have 2 mortgages - i pay for the littler one and a bit of the big one. he pays for the main one.
i pay all bills - except for his bas/car regos/insurances/his speeding tickets (lol)
so once a week x amount comes out for my mortgage repayments and $50 goes into my savings account (this is used for emergencies or something we are saving for)
i then have 200 or so to pay bills/live on each week.
i usually put my bills in order or urgency to pay and just pay what i can each week or whenever we have a bill. if its a big bill i pay half of it one week, half the next